Canadian performer Matias Salmenaho, 26, stands still as axes are juggled past him as the three generation Quebecois circus company, Cirque Alfonse mark their UK debut show entitled “Timber!” at Lthe Southbank Centre in London on July 9, 2013. (Photo by Andrew Cowie/AFP Photo)

A United Airlines 747 lands next to the wreckage of Asiana Airlines flight 214 as it sits on runway 28L at San Francisco International Airport on July 8, 2013 in San Francisco, California. Two days after Asiana Airlines flight 214 crash landed at San Francisco International Airport, the National Transportation Safety Board (NTSB) is continuing their investigation as to why the plane crashed. (Photo by Justin Sullivan/AFP Photo)

This handout picture released by the Vatican press office on July 8, 2013 shows Pope Francis looking at a computer while receiving explanations on a boat off Lampedusa island, a key destination of tens of thousands of would-be immigrants from Africa, during his visit on July 8, 2013. In a visit stripped of the usual pomp of papal travel, Francis will cast a wreath into the sea and hold a mass of mourning with a simple cross made from the wood of rickety fishing boats that migrants arrive on. (Photo by Osservatore Romano/AFP Photo)

An Israeli infantry soldier from the Kfir Brigade takes part in a drill in urban warfare simulating a combat mission with Lebanon's Hezbollah at the Israeli army base of Elyakim in northern Israel on July 11, 2013. Israeli military built the training base at Elyakim to train soldiers on how to fight Hezbollah as Israel bolsters security along its border with Syria, where Hezbollah militants are reportedly fighting alongside government forces against rebels. (Photo by Jack Guez/AFP Photo)

A picture shows a derailed wagon on the site of a train accident in the railway station of Bretigny-sur-Orge on July 12, 2013 near Paris. A train derailed in the Paris suburb of Bretigny-sur-Orge in an accident that caused “many casualties”, authorities said. (Photo by Kenzo Tribouillard/AFP Photo)

Recruits from the Jammu and Kashmir Light Infantry Regiment (JAKLI) of the Indian Army take part in a passing out parade in Srinagar on July 10, 2013. The 494 recruits, many of them locals, completed a 49-week training programme prior to being absorbed as regular members of the regiment. (Photo by Tauseef Mustafa/AFP Photo)

A 39,000-year-old female baby woolly mammoth named Yuka from the Siberian permafrost is unveiled for the media at an exhibition in Yokohama, suburban Tokyo on July 9, 2013. The frozen woolly mammoth will be exhibited from July 13 until September 16. (Photo by Kazuhiro Nogi/AFP Photo)

Egyptian supporters of deposed president Mohamed Morsi sit in front of barbed wire fencing that blocks the access to the headquarters of the Republican Guard in Cairo on July 8, 2013. Forty-two loyalists of Egypt's ousted president were killed while demonstrating against last week's military coup, triggering an Islamist uprising call and dashing the army's hopes for an interim civilian administration. (Photo by Mahmud Hams/AFP Photo)

Indian commuters make their way through a waterlogged street after heavy monsoon rains fell in Jalandhar, on July 9, 2013. Authorities have raised to 5,500 the estimated number of people who perished in devastating floods that swept the northern Indian state of Uttarakhand last month. (Photo by Shammi Mehra/Getty Images)

Civilians gather at the of an explosion in Beirut's southern suburb neighbourhood of Bir al-Abed on July 9, 2013. A car bomb rocked Beirut's southern suburbs, stronghold of Lebanon's Shiite Hezbollah movement, wounding 15 people, television reports and a military source said. (Photo by AFP Photo/STR)

An Apple-1 computer, built in 1976, is displayed during the First Bytes: Iconic Technology From the Twentieth Century, an online auction featuring vintage tech products at the Computer History Museum in Mountain View, California. Christie's is auctioning off an original Apple-1 computer owned by Ted Perry as part of its First Bytes: Iconic Technology from the Twentieth Century, an online auction of vintage tech products. (Photo by Justin Sullivan/Getty Images)

New York Hip Hop dancers from B- Xtreme are Ready and Cube show off some hip hop moves as they help launch the Laya Healthcare Street Performance World Championship at Sandymount Dublin. (Photo by Leon Farrell/Photocall Ireland)

The world’s biggest body painting festival took place in Austria this weekend. Artists from over 40 nations flocked to the picturesque shores of Lake Wörthersee in Klagenfurt to get their creative on. The contest had a night time award for the best UV paint effect, a world face-painting award, over 50 different workshop classes, demos and lectures and a special effects make-up class showcasing some serious works of art. (Photo by Heinz-Peter Bader/Reuters)

A employee demonstrates the photo capabilities of the Nokia Lumia 1020, a Windows Phone with a 41-megapixel camera, after its unveiling in New York on July 11, 2013. (Photo by Timothy Clary/AFP Photo)

A child is seen near members of the Muslim community attending midday prayers at Strasbourg Grand Mosque in Strasbourg on the first day of Ramadan July 9, 2013. The Grand Mosque of Paris has fixed the first day of Ramadan as Wednesday, splitting with the French Council of Muslim Religion (Conseil Francais du Culte Musulman or CFCM), which determined it would begin on Tuesday. (Photo by Vincent Kessler/Reuters)

A reflection of St Basil's Cathedral is seen as a security guard opens a gate near a mirrored pavilion being built on Red Square in Moscow July 8, 2013. The structure is to be used for a one-off fashion show on Tuesday. (Photo by Sergei Karpukhin/Reuters)

An activist of the Mortgage Victims' Platform is carried by police officers after occupying a bank as part of a protest to support a neighbor who is facing an eviction process in Barcelona, on July 10, 2013. With 26 percent unemployment, Spain is struggling to emerge from its second recession in just over three years as the economy battles to recover from the collapse of its once-booming real estate sector. (Photo by Emilio Morenatti/Associated Press)

A woman checks her mobile phone as she receives treatment for cervical spondylosis at a hospital in Jiaxing, Zhejiang province July 12, 2013. (Photo by William Hong/Reuters)

An honor guard presents families with American flags during a memorial service at Tim's Toyota Center in Prescott Valley, Arizona, on July 9, 2013. 19 firefighters of the Granite Mountain Hotshots crew died battling a fast-moving wildfire on June 30. (Photo by David Kadlubowskil/Getty Images)

A double-decker tourism bus is seen on fire in from of the Oriental Pearl Tower in the Pudong financial district of Shanghai July 8, 2013. Passengers were seen walking away from the bus which burst into flames during rush hour at one of the busiest intersections in the city. (Photo by Carlos Barria/Reuters)

A fountain depicting a water tap is on display on the suburbs of Russia's Siberian city of Krasnoyarsk, July 9, 2013. (Photo by Reuters)

Indian rescue workers remove a body from the rubble at the site of the City Light Hotel building collapse in Secunderabad, the twin city of Hyderabad on July 8, 2013. A two-storey hotel collapsed in the southern Indian city of Secunderabad on July 8, killing five restaurant workers and injuring 15 others, a local police official told AFP. (Photo by Noah Seelam/AFP Photo)

An Israeli Jewish woman of the Women of the Wall organization prays while wearing a prayer shawl outside the Western Wall, the holiest site where Jews can pray in Jerusalem's old city, Monday, July 8, 2013. Police denied Women of the Wall and their supporters entry to the women's prayer section, citing security concerns. The group, known as “Women of the Wall”, convenes monthly prayer services at the Western Wall, wearing prayer shawls and performing rituals that ultra-Orthodox Jews believe only men are allowed to do. (Photo by Michal Fattal/AP Photo)

Spanish bullfighter Manuel Escribano aims his sword before killing a Dolores Aguirre fighting bull during a bullfight of the San Fermin festival, in Pamplona, Spain, Monday, July 8, 2013. Revelers from around the world arrive to Pamplona every year to take part on some of the eight days of the running of the bulls glorified by Ernest Hemingway's 1926 novel “The Sun Also Rises”. (Photo by Daniel Ochoa de Olza/AP Photo)

A boy, whose his family fled military operations in the western tribal area, jumps into a stream in a slum on the outskirts of Islamabad July 8, 2013. (Photo by Zohra Bensemra/Reuters)

A would-be immigrant looks out of a window on a police bus after arriving at the Armed Forces of Malta (AFM) Maritime Squadron base at Haywharf in Valletta's Marsamxett Harbour early July 10, 2013. Sixty-eight African immigrants were rescued by the AFM, 70 nautical miles south of Malta from a vessel in distress while trying to reach European soil from Africa, according to army sources. (Photo by Darrin Zammit Lupi/Reuters)

A visitor enjoys an art installation by Argentine artist Leandro Erlich in east London, Tuesday, July 9, 2013. Internationally known for his three-dimensional visual illusions, Erlich has been commissioned to create a new installation in Dalston area of the capital. Resembling a theatre set, the detailed facade of a Victorian terraced house, recalling those that once stood on the street, lies horizontally on the ground with mirrors positioned overhead. The reflections of visitors give the impression they are standing on, suspended from, or scaling the building. (Photo by Lefteris Pitarakis/AP Photo)

BASE jumper Vladimir Murzajev of Russia backflips as he leaps before opening his parachute during Tallinn TV Tower B.A.S.E. Boogie 2013 event July 11, 2013. More than 60 BASE jumpers from fourteen countries are taking part in this annual event. (Photo by Ints Kalnins/Reuters)

Former President George W. Bush, right, shakes hands with with Mondell Bernadette Avril after she was sworn in as a U.S. citizen during a ceremony at the The George W. Bush Presidential Center in Dallas, Wednesday, July 10, 2013. Twenty new citizens took the oath of U.S. citizenship at the former president's library. (Photo by L. M. Otero/AP Photo)

Frontier soldiers look up at the swell, as they carry out a check of a seawall, as Typhoon Soulik approaches in Wenling, Zhejiang province July 12, 2013. China braced on Friday for the impact of Typhoon Soulik as the toll of dead and missing from torrential rain across a broad swathe of China climbed beyond 200. (Photo by Reuters/China Daily)

Assistant state attorney John Guy, center, uses a foam dummy to describe the altercation between George Zimmerman and Trayvon Martin to defense witness and law enforcement expert Dennis Root, right, during Zimmerman's trial in Seminole circuit court in Sanford, Fla. Wednesday, July 10, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. (Photo by Gary W. Green/AP Photo/Orlando Sentinel)

Police officers detain Russian opposition leader Alexei Navalny, left, in Moscow, Russia, Wednesday, July 10, 2013. Navalny was briefly detained by police after he spoke to a crowd of supporters outside the headquarters of Moscow's election commission. Navalny on Wednesday submitted documents to register as a candidate in the mayoral election. (Photo by Alexander Zemlianichenko/AP Photo)

A Bosnian woman cries near the coffin of her relative, one of 409 newly identified victims of the 1995 Srebrenica massacre, in Memorial Center Potocari near Srebrenica July 10, 2013. The bodies of the recently identified victims will be transported to the memorial centre in Potocari where they will be buried on July 11 marking the 18th anniversary of the massacre in which Bosnian Serb forces commanded by Ratko Mladic killed up to 8,000 Muslim men and boys and buried them in mass graves. (Photo by Dado Ruvic/Reuters)

A Rohingya Muslim illegal immigrant prepares plates of food at the Immigration Detention Centre during the holy month of Ramadan in Kanchanaburi province July 10, 2013. More than a hundred Rohingya Muslims gathered to pray and break fast as they welcome the first day of Ramadan in Thailand. The stateless people arrived in Thailand earlier in January this year after fleeing a bloody conflict between the Buddhist and Muslims in Myanmar's western Rakhine State. (Photo by Athit Perewongmetha/Reuters)

Kim Yoon-ju (L), a flight attendant who was on Asiana Airlines flight 214 which crashed in San Francisco, cries as she is greeted by Park Sam-koo, chairman of the Kumho-Asiana group, as she arrives at the Incheon Airport in Incheon, west of Seoul July 11, 2013. Asiana Airlines Flight 214 crashed in San Francisco on Saturday, killing two teenage girls and injuring more than 180 people. (Photo by Kim Hong-Ji/Reuters)

A woman walks past a picture showing a border fortification in the West Bank by German photographer Kai Wiedenhoefer at the former Berlin Wall in Berlin, July 11, 2013. Wiedenhoefer's Wall on Wall project consists of panoramic pictures of eight border walls that separate people in different parts of the world. The pictures are currently displayed as 9x3 metre prints that Wiedenhoefer has pasted onto the longest remaining stretch of the former Berlin Wall border fortification. (Photo by Thomas Peter/Reuters)

Tourists pose in front of a bronze statue of the late kung fu legend Bruce Lee on the waterfront facing Hong Kong island July 12, 2013. July 20 marks the 40th anniversary of the death of Lee, with a memorial event and exhibition to be held by his fan club and the government. (Photo by Bobby Yip/Reuters)

Former intelligence agency contractor Edward Snowden (C) and Sarah Harrison (L) of WikiLeaks speak to human rights representatives in Moscow's Sheremetyevo airport July 12, 2013. Snowden is seeking temporary asylum in Russia and plans to go to Latin America eventually, an organisation endorsed by anti-secrecy group Wikileaks said on Twitter on Friday. The person at right is unidentified. (Photo by Reuters/Human Rights Watch)

A protester uses teargas against police officers as angry residents attempt to storm the local police station in Kiev July 12, 2013. People angered by the beating of a local woman in which they said police officer was involved, attacked a police headquarters, local media reported. (Photo by Reuters/Stringer)

A man tries to pull his opponent over the table during the Alps Finger Wrestling championships in Mittenwald, Germany, on July 7, 2013. (Photo by Matthias Schrader/Associated Press)

In this photo released on July 9, 2013, one of the Expedition 36 crew members aboard the International Space Station records a large mass of storm clouds over the Atlantic Ocean near Brazil and the Equator on July 4, 2013. A Russian spacecraft, docked to the orbiting outpost, partially covers a small patch of sunglint on the ocean waters in a break in the clouds. (Photo by NASA)

A plume of ash and steam rise from the Popocatepetl volcano overshadowing the Catholic church in Santiago Xalizintla, Mexico, on July 7, 2013. Just east of Mexico City, the volcano has spit out a cloud of ash and vapor 2 miles high over several days of eruptions. Mexico's National Center for Disaster Prevention raised the volcano alert from Stage 2 Yellow to Stage 3 Yellow, the final step before a Red alert, when possible evacuations could be ordered. (Photo by Marco Ugarte/Associated Press)

A girl stops a kiliki approaching to her inside a shop during the Comparsa de Gigantes y Cabezudos “Giants and Big Heads parade” on the fourth day of the San Fermin Running Of The Bulls festival, on July 9, 2013 in Pamplona, Spain. The annual Fiesta de San Fermin, made famous by the 1926 novel of US writer Ernest Hemmingway “The Sun Also Rises”, involves the running of the bulls through the historic heart of Pamplona, this year for nine days from July 6-14. (Photo by Pablo Blazquez Dominguez/Getty Images)

Indonesian “Spider-Man” window cleaner, 37-year-old Teguh prepares his equipment before he cleans the glass windows of the 18-storey Alana Hotel on July 12, 2013 in Surabaya, Indonesia. Teguh is a specialist glass window cleaner working on high-rise buildings wearing a Spider-Man uniform and working at an altitude of over 500 meters above ground level. He earns between Rp. 5 million and 15 million depending on the height of the building and the level of difficulty. (Photo by Robertus Pudyanto/Getty Images)

An unidentified family member of one of two Chinese students killed in a crash of Asiana Airlines' plane on Saturday, cries at the Airlines' counter as she and other family members check in a flight to San Francisco at Pudong International Airport in Shanghai, China, Monday, July 8, 2013. The Asiana flight crashed upon landing Saturday, July 6, at San Francisco International Airport, and the two of the 307 passengers aboard were killed. (Photo by Eugene Hoshiko/AP Photo)

An Indonesian man reads Quran as he waits for the time to break his fast at a mosque in Solo, Central Java, Indonesia, Friday, July 12, 2013. During Ramadan, the holiest month in Islamic calendar, Muslims refrain from eating, drinking, smoking and s*x from dawn till dusk. (Photo by Gembong Nusantara/AP Photo)

Indians watch as Indian Fire officials and rescue workers look for survivors at the site of a collapsed building, in Hyderabad, India, Monday, July 8, 2013. An official said at least ten people have been killed and 12 others injured after a two-story hotel collapsed in southern India (Photo by Mahesh Kumar A./AP Photo)

People enjoy the sun near a fountain at Hyde Park in London, Monday, July 8, 2013. England's capital experienced the warmest days of the year with temperatures up to 29 Celsius (84 Fahrenheit). (Photo by Frank Augstein/AP Photo)

A man wearing a keffiyeh and listening to arab music rides his motobike adorned with Brazilian flags along the Ipanema Beach seafront in Rio de Janeiro, Brazil on July 07, 2013. (Photo by Christophe Simon/AFP Photo)

An X-47B Unmanned Combat Air System (UCAS) makes the very first carrier landing aboard the USS George H.W. Bush while afloat in the Atlantic Ocean off the coast from Norfolk, Virginia, on July 11, 2013. (Photo by Jim Watson/Getty Images)

Actors Diego Facciotti, above, in the role of Paris, and Mimosa Campironi, in the role of Juliet, perform in William Shakespeare's “Romeo and Juliet” at the Silvano Toti Globe Theatre in Rome, on July 12, 2013. (Photo by Michele Barbero/Associated Press)

The pack passes during the twelfth stage of the Tour de France cycling race over 218 kilometers (136.2 miles) with start in in Fougeres and finish in Tours, western France, Thursday July 11 2013. (Photo by Christophe Ena/AP Photo)

Dancers from Israeli dance group Mayumana perform during a dress rehearsal of the show “Momentum” in Berlin, Germany, on July 10, 2013. (Photo by Soeren Stache/Dpa)

Bodies lie in a room of a hospital after being shot and killed outside the Republican Guard building in Nasser City, Cairo, on July 8, 2013. Egyptian soldiers and police opened fire on supporters of the ousted president outside the military building in Cairo where demonstrators had been holding a sit-in, government officials and witnesses said. (Photo by Wissam Nassar/Associated Press)

Thousands of devotees participate in the annual chariot procession of Hindu god Lord Jagannath in Ahmadabad, India, on July 10, 2013. During the festival of the Hindu god, his brother Balabhadra and sister Subhadra are taken out in a grand procession in specially made chariots pulled by thousands of devotees. (Photo by Ajit Solanki/Associated Press)

Matts Lunderd of Belgium falls during the Men's 10000m during day one of The European Athletics U23 Championships 2013 in Tampere, Finland, on July 11, 2013. (Photo by Ian MacNicol/Getty Images)

The Carpenter1 fire burns in the mountains behind the Red Rock Conservation Area visitor center near Las Vegas, on July 11, 2013. The fire has forced the closure of the Red Rock National Conservation Area Scenic Loop. Firefighters hope rain and cooler temperatures would help them corral the massive wildfire that for 10 days charred almost 44 square miles and 15 percent contained. (Photo by John Locher/Las Vegas Review-Journal)

The fossil of a newly discovered family of extinct scorpionflies from McAbee, B.C., is shown in an undated photo provided by Simon Fraser University. Ancient fossils of an extinct family of insects, scorpionflies, have been found in British Columbia and northern Washington state, and a biologist says they hold valuable lessons about climate change and evolution. (Photo by Simon Fraser University)

An Indian Central Reserve Police Force soldier takes a break as he sits behind his fellow soldiers during a parade ceremony of 945 recruits in Bangalore, India, on July 9, 2013. CRPF is one of the largest paramilitary forces in the world with a strength of over 250,000 personnel, meant to maintain law and order and contain insurgency across India and are also deployed for United Nations missions. (Photo by Aijaz Rahi/Associated Press)

Men perform a stunt as they participate in the annual chariot procession of Hindu god Lord Jagannath in Ahmadabad, India, on July 10, 2013. (Photo by Ajit Solanki/Associated Press)

Aleksander Pihlainen and Siiri Salli compete during the Wife Carrying World Championship competition in Sonkajarvi, Finland, on July 6, 2013. (Photo by Roni Rekomaa/Lehtikuva)

An artist's impression has been revealed today by NASA of the exoplanet HD 189733b. Like Earth, it is deep blue in colour, but its atmosphere is scorching with a temperature of over 1000 degrees Celsius, and it rains glass, sideways, in howling 7000 kilometre-per-hour winds, according to scientists. (Photo by NASA/ESA)

A woman looks at the Amorphophallus Titanum, also known as the Titan Arum or Corpse flower, because of it's smell, one of the world's largest flowers, at the National Botanic Garden in Meise near Brussels, Monday, July 8, 2013. The rare phallus-like flower that springs from the plant only survives about 72 hours. (Photo by Yves Logghe/AP photo)

New Zealand performer Shay Horay known as the Rubberband Boy takes part in the Street Performance World Championships in Merrion Square, Dublin, on July 12, 2013. (Photo by Niall Carson/PA Wire)

People sunbathe on benches at a park in Tokyo, Wednesday, July 10, 2013. Temperatures soared in the metropolitan area to 37.4 degrees Celsius (99.3 degrees Fahrenheit) Wednesday. (Photo by Shizuo Kambayashi/AP Photo)

Japanese comic Sugichan poses with 500 million yen (3.9 million euros) for the giant lottery was in Tokyo on July 10, 2013. Thousands of people have been queuing for tickets in the hope of becoming a millionaire. (Photo by Yoshikazu Tsuno/AFP Photo)

Mark Mayne,13, climbs up a huge bonfire built at New Mossley on the outskirts of Belfast, Northern Ireland, on July 10, 2013. Hundreds of fires will be set alight at midnight on July 11 as Protestant loyalist's mark the defeat of the Catholic King James, by the Protestant William of Orange in 1690. (Photo by Paul Faith/PA)

Students sit in circles during a Quran recital class on the first day of the holy fasting month of Ramadan, at Ar-Raudlatul Hasanah Islamic boarding school in Medan, North Sumatra, Indonesia, on July 10, 2013. During Ramadan Muslims refrain from eating, drinking, smoking and s*x from dawn to dusk. (Photo by Binsar Bakkara/Associated Press)

A child looks sits on the shoes of a sculpture of former South African President Nelson Mandela at Nelson Mandela Square in Johannesburg, South Africa, on July 9, 2013. No official update was made on the status of the ailing 94-year-old Nelson Mandela, who was admitted June 8 to the hospital for a recurring lung infection, though court documents say he is breathing with the help of a respirator. (Photo by Markus Schreiber/Associated Press)

This photo released by NASA on July 9, 2013 shows a view of Mars that was stitched together by images taken by NASA's Viking Orbiter spacecraft. The space agency is planning to send a spacecraft similar to the Curiosity rover to the red planet in 2020. A NASA-appointed team released a report that described the mission's science goals. (Photo by NASA)

A GO Train is stranded on flooded tracks in Toronto, on July 8, 2013. A severe thunderstorm forced the shutdown of Toronto's subways, cut power to 300,000 in Canada's largest city and caused Porter Airlines to cancel all flights out of the downtown airport Monday evening. (Photo by Winston Neutel/The Canadian Press)

Defendants Anthony Santoro, Anthony Urban, Vito Badano, and Nicholas Bernhard, seated left to right, wait in handcuffs in a courtroom hallway with attorney Timothy Parlatore, for arraignment, in New York, on July 9, 2013. Nine people, members of the infamous Bonanno crime family, have been indicted on enterprise corruption charges. (Photo by Richard Drew/Associated Press)

Children do the limbo in the mud in Westland, Mich., during the annual Mud Day event in a 7-by-150-foot mud pit, on July 9, 2013. (Photo by Paul Sancya/Associated Press)

Netherlands' biker Sebastiaan Bowier takes part in a bike speed record attempt event, with his aerodynamic bike Velox3, on the A31 highway between the Dutch cities of Franeker and Dronrijp, the Netherlands, on July 9, 2013. The recumbent bicycle achieved a speed of 78.8 km per hour. (Photo by AFP Image/Forum)

A girl jumps over a campfire while celebrating Ivan Kupala Night, a traditional Slavic holiday not far from Kiev on July 6, 2013. During the celebration, originating in pagan times, people plait wreaths, jump over fires, and swim naked. (Photo by Sergei Supinsky/AFP Photo)

On 7 July, 2013 a parade of swimsuit was held in the Osaka subway. (Photo by NEWSCOM/SIPA)

Pakistani rangers and security guards Indian borders are preparing for a ceremony near the border at Wagah, July 9, 2013. (Photo by Narinder Nanu/AFP Photo)

Visitors watch water gushing from the section of the Xiaolangdi Reservoir on the Yellow River, during a sand-washing operation in Jiyuan, on July 9, 2013. (Photo by China Daily)

Supporters of former Egyptian President Mohammed Morsi burn tires along a bridge in protest over his removal by the Egyptian military in Cairo, Egypt, on July 6, 2013. (Photo by Spencer Platt/Getty Images)

A boy plays with a soap bubble in one of Kiev parks on a hot day in the Ukrainian capital, on July 6, 2013. (Photo by Sergei Supinsky/AFP Photo)

An aerial view of Popocatepetl volcano as it spews a cloud of ash and steam 2 km (1.2 miles) high into the air, on July 11, 2013. (Photo by Reuters/Mexico's Navy)

Rohingya Muslim illegal immigrants pray at the Immigration Detention Centre during Ramadan in Kanchanaburi, on July 11, 2013. (Photo by Athit Perewongmetha/Reuters)

Barbadian singer Rihanna performs on stage in Monaco, on July 11, 2013. (Photo by Valery Hache/AFP Photo)

A riot police officer fires tear gas at violent demonstrators after clashes erupted following a march by Brazilian workers in Rio de Janeiro, on July 12, 2013. (Photo by Christophe Simon/AFP Photo)

A woman crosses a bridge at GUM, one of the oldest department stores in central Moscow, on July 11, 2013. (Photo by Natalia Kolesnikova/AFP Photo)

Asiana flight 214 is dismantled and hauled to a hangar at San Francisco International Airport, on July 12, 2013. Two people were killed and over 180 injured when the Boeing 777 crashed July 6 as it struck the seawall on the approach to runway 28L, knocking off the plane's tail. (Photo by Jane Tyska/Bay Area News Group)

A runner is gored by an El Pilar fighting bull during the running of the bulls at the San Fermin festival in Pamplona, on July 12, 2013. An American and two Spaniards were gored Friday during a danger-filled sixth bull run, with one loose bull causing panic in the packed streets of the northern Spanish city. (Photo by Associated Press)

Representatives from a betting company wear baby masks during a publicity stunt outside St. Mary's Hospital in London, on July 12, 2013. Media are preparing for royal-mania as Britain's Kate, Duchess of Cambridge is expected to give birth to the new third-in-line to the throne in mid-July, at the Lindo Wing. (Photo by Matt Dunham/Associated Press)

A Kashmiri government employee cries in pain after getting injured during a protest in Srinagar, India, on July 8, 2013. Police detained dozens of government employees during the protest demanding regulation of contractual jobs and a salary hike. (Photo by Mukhtar Khan/Associated Press)

Stage winner Marcel Kittel of Germany grimaces after crossing the finish line of the twelfth stage of the Tour de France cycling race over 136.2 miles which started in Fougeres and finishes in Tours, western France, on July 11, 2013. (Photo by Laurent Rebours/Associated Press)

Undated BBC handout photo of actor David Bradley who will play, William Hartnell, the first ever Doctor, in a new drama about the birth of the long-running science-fiction show called An Adventure In Space And Time. Bradley, who played Hogwarts caretaker Argus Filch in the Harry Potter films, is joined in the cast by Call The Midwife star Jessica Raine, who plays pioneering producer Verity Lambert, and Brian Cox, who plays another BBC executive. The 90-minute BBC Two drama is part of the 50th anniversary celebrations of the show which first aired on November 23 1963. (Photo by Hal Shinnie/BBC Worldwide/PA Wire)

A packed passenger train skidded off its rails in Bretigny sur Orge, south of Paris, on July 12, 2013, leaving at least six people dead and dozens injured as train cars slammed into each other and overturned, authorities said. (Photo by Michel Euler/Associated Press)

A Somali lady steps over the dead body of her brother who was killed after a suicide bomber detonated his explosives near a moving convoy of African union troops, in Mogadishu, Somalia, Friday, July,12 , 2013. Police have said that at least two people were killed and seven were injured in the blast. (Photo by Farah Abdi Warsameh/AP Photo)

A swimmer approaches a statue meant to depict actor Colin Firth performing as Mr. Darcy, a character in Jane Austen's novel “Pride and Prejudice”, at Serpentine Lake in London's Hyde Park, on July 8, 2013. (Photo by David Parry/PA)

Photo taken inside the Asiana Airlines Boeing 777 that crashed on the San Francisco airport. (Photo by NTSB/EyePress/NEWSCOM/SIPA)

Police fire tear gas against protesters during clashes in Istanbul, Turkey, Monday, July 8, 2013. (Photo by Vadim Ghirda/AP Photo)

People walk underneath a huge red ball installed in front of the Bel-Air tower as part of the RedBall Project by US artist Kurt Perschke in Lausanne, Switzerland, Monday, July 8, 2013. The RedBall Project is touring Lausanne from July 3 to 9, changing its location every day. (Photo by Laurent Gillieron/AP Photo/Keystone)

Turkish anti-government protesters take a break to mark the end of the first day of Ramadan, July 9, 2013 in Istanbul. (Photo by Bulent Kilic/AFP Photo)

Su-27 jets of the Russian Knights release decoys as they perform aerial demonstrations during the International Maritime Defense show in St.Petersburg, Russia, on July 7, 2013. (Photo by Dmitry Lovetsky/Associated Press)

Heavy rains have knocked out power for hundreds of thousands of residents across the Greater Toronto Area, including the majority of Mississauga, and so badly flooded some roads and major highways that drivers abandoned their waterlogged vehicles, on July 8, 2013. (Photo by Frank Gunn/AP Photo)