Russian guards stand in front of the US national flag poses, during the podium ceremony of the women's 1500m freestyle swimming event at the 2015 FINA World Championships in Kazan on August 4, 2015. (Photo by Alexander Nemenov/AFP Photo)

Nepalese police stop Hindu activists as they try to enter a restricted area near the Nepalese Constituent Assembly Hall during a protest in Kathmandu, Nepal, Wednesday, August 5, 2015. About 500 protesters demanding Nepal be declared a Hindu state in the new constitution clashed with police. No one was injured in scuffles and there were no arrests. (Photo by Niranjan Shrestha/AP Photo)

Child models walk the runway wearing Ralph Lauren children's Fall fashion, Wednesday, August 5, 2015, at the Central Park Zoo in New York. Polo hosted the show to promote children's literacy but also to promote the October film, “Pan”, which is Peter Pan's origin story. (Photo by Julie Jacobson/AP Photo)

Flames burst from the roof of one of the buildings at the Twin Brooks Apartment complex in Ocean Township, N.J., Tuesday, August 4, 2015. Authorities say a fast-moving fire destroyed a building at a central New Jersey apartment complex. (Photo by Thomas P. Costello/The Asbury Park Press via AP Photo)

A firefighter takes photos as a rainbow forms in the mist behind one of the buildings at the Twin Brooks Apartment complex in Ocean Township, N.J., Tuesday, August 4, 2015. (Photo by Thomas P. Costello/The Asbury Park Press via AP Photo)

Michael Mautner, Eatontown, holds a soaked kitten who was rescued by firefighters working at the Twin Brooks Apartment complex fire in Ocean Township, N.J., Tuesday, August 4, 2015. (Photo by Thomas P. Costello/The Asbury Park Press via AP Photo)

Sen. Jeff Flake, R-Ariz., left, and Sen. John McCain, R-Ariz., second from right, stand with “Racing President” mascot Teddy Roosevelt during a baseball game between the Washington Nationals and the Arizona Diamondbacks at Nationals Park, Tuesday, Aug. 4, 2015, in Washington. (Photo by Alex Brandon/AP Photo)

A soldier salutes from an armored vehicle at military parade in downtown of Zagreb, Croatia, August 4, 2015. The parade marks the 20th anniversary of Operation Storm, Victory Day, Homeland Thanksgiving Day and Day of Croatian defenders. (Photo by Antonio Bronic/Reuters)

Soldiers take part in a military parade in downtown of Zagreb, Croatia, August 4, 2015. (Photo by Antonio Bronic/Reuters)

Self-propelled howitzers are seen at a military parade in downtown of Zagreb, Croatia, August 4, 2015. (Photo by Antonio Bronic/Reuters)

A soldier salutes from a M-84 tank during a military parade in downtown of Zagreb, Croatia, August 4, 2015. (Photo by Antonio Bronic/Reuters)

A sniper is seen on a armored vehicle at a military parade in downtown of Zagreb, Croatia, August 4, 2015. (Photo by Antonio Bronic/Reuters)

A man performs the “Cueca”, a national folk dance, in front of the casket of Chilean folk singer Margot Loyola at a museum in Santiago, August 4, 2015. Margot, a folk singer, songwriter, guitarist, pianist and researcher of Chilean folklore, died at the age of 96, according to local media. (Photo by Ivan Alvarado/Reuters)

Venezuela's President Nicolas Maduro (2nd R) gestures next to his wife Cilia Flores, during the 78th anniversary ceremony of the Venezuelan National Guard in Caracas, Venezuela, in this handout picture provided by Miraflores Palace August 4, 2015. (Photo by Miraflores Palace/Reuters)

Pope Francis greets the faithful during a general audience at the Vatican August 5, 2015. (Photo by Osservatore Romano/Reuters)

Pope Francis is cheered by faithful as he arrives in the Paul VI hall at the Vatican, Wednesday, August 5, 2015. (Photo by Gregorio Borgia/AP Photo)

Workers roll tobacco leaves before chopping them into pieces in front of their house in Pamekasan, Indonesia's East Java province, August 5, 2015 in this photo taken by Antara Foto. (Photo by Saiful Bahri/Reuters/Antara Foto)

Policemen holds water pipes that provide clean water for villagers as the dry season hits more than 77 villages in the city of Cilacap, Indonesia's Central Java province, August 5, 2015 in this photo taken by Antara Foto. (Photo by Idhad Zakaria/Reuters/Antara Foto)

A man looks at the Atomic Bomb Dome before nightfall in Hiroshima, western Japan, August 5, 2015. Japan will mark on Thursday the 70th anniversary of the attack on Hiroshima, where the U.S. dropped an atomic bomb on August 6, 1945, killing about 140,000 by the end of the year in a city of 350,000 residents. It was the world's first nuclear attack. The Atomic Bomb Dome, or Genbaku Dome, was the only structure left standing in this district of the city and has been preserved as a peace memorial. (Photo by Thomas Peter/Reuters)

A woman reacts as she prays for the atomic bomb victims in front of the cenotaph for the victims of the 1945 atomic bombing, at Peace Memorial Park in Hiroshima, western Japan, August 6, 2015, on the 70th anniversary of the world's first atomic bombing of the city. (Photo by Toru Hanai/Reuters)

Local residents hold paper lanterns as they walk past the Atomic Bomb Dome during a procession commemorating the victims of the atomic bombing in Hiroshima, western Japan, August 5, 2015. (Photo by Thomas Peter/Reuters)

Shinto priests pray at the Motoyasu River opposite the Atomic Bomb Dome at sunrise in Hiroshima, western Japan, August 6, 2015. (Photo by Thomas Peter/Reuters)

Children perform a die-in in front of the Atomic Bomb Dome in Hiroshima, western Japan, August 5, 2015. (Photo by Thomas Peter/Reuters)

A woman carrying her baby, prays for the atomic bomb victims in front of the cenotaph for the victims of the 1945 atomic bombing, at Peace Memorial Park in Hiroshima, western Japan, August 6, 2015, on the 70th anniversary of the world's first atomic bombing of the city. (Photo by Toru Hanai/Reuters)

A boy holds a paper lantern in front of the Atomic Bomb Dome during a procession commemorating the victims of the atomic bombing in Hiroshima, western Japan, August 5, 2015. (Photo by Thomas Peter/Reuters)

People cool off in the water of the Gan HaShlosha National Park, also known by its Arabic name Sahne, near the town of Beit Shean in the Jordan valley August 5, 2015. Israel has been sweltering for the past several days under extremely hot temperatures and oppressive humidity, registering record electricity consumption to power air conditioners. (Photo by Baz Ratner/Reuters)

A Muslim woman (C) sits next to a pool at the Gan HaShlosha National Park, also known by its Arabic name Sahne, near the town of Beit Shean in the Jordan valley August 5, 2015. (Photo by Baz Ratner/Reuters)

Kenya's 10,000m athlete Betsy Saina runs during a training session in Nairobi, ahead of the 15th IAAF World Championships in Beijing, August 5, 2015. (Photo by Thomas Mukoya/Reuters)

U.S. Secretary of State John Kerry arrives for a group photo before an ASEAN Gala Dinner in Kuala Lumpur, August 5, 2015. (Photo by Brendan Smialowski/Reuters)

Pro-China activists dressed as Japanese World War Two soldiers perform during a protest against students occupying the entrance to the Ministry of Education in Taipei, Taiwan, August 5, 2015. Protests in Taiwan over textbook revisions which students say aim to brainwash them into accepting a “one China” view of history underscore the island's growing sense of independence from its vast neighbour and geopolitical foe. Hundreds of youths stormed the ministry of education compound last Friday and students met the education minister on Monday in a bid to repeal changes to history books likely to hit school shelves this week. (Photo by Pichi Chuang/Reuters)

A man enjoys a waterfall at the lake in the central Bosnian town of Jajce, Bosnia and Herzegovina, August 5, 2015. (Photo by Dado Ruvic/Reuters)

Russian navy servicemen leave an armoured personnel carrier (APC) as they take part in the Caspian Derby-2015 international naval contest during the International Army Games-2015 in the Dagestan's port city of Kaspiysk, Russia, August 5, 2015. (Photo by Sergei Karpukhin/Reuters)

Chinese (L) and Russian armoured personnel carriers (APC) drive on a course of the Caspian Derby-2015 international naval contest during the International Army Games-2015 in the Dagestan's port city of Kaspiysk, Russia, August 5, 2015. (Photo by Sergei Karpukhin/Reuters)

A Chinese armoured personnel carrier (APC) drives on a course of the Caspian Derby-2015 international naval contest during the International Army Games-2015 in the Dagestan's port city of Kaspiysk, Russia, August 5, 2015. (Photo by Sergei Karpukhin/Reuters)

Chinese tank crew members get into a tank as they take part at the Caspian Derby- 2015 international naval contest during the International Army Games-2015 in the Dagestan's port city of Kaspiysk, Russia, August 5, 2015. (Photo by Sergei Karpukhin/Reuters)

Russian (front) and Chinese armoured personnel carriers (APC) drive on a course of the Caspian Derby-2015 international naval contest during the International Army Games-2015 in the Dagestan's port city of Kaspiysk, Russia, August 5, 2015. (Photo by Sergei Karpukhin/Reuters)

A woman walks down a street in central Kiev, Ukraine, August 5, 2015. (Photo by Gleb Garanich/Reuters)

People look at damage at the site of a car bomb attack in Baghdad's Sadr City August 5, 2015. At least 10 people were killed and 22 others wounded in two car bomb attacks on Wednesday that targeted predominately Shi'ite neighborhoods in Baghdad, police and medical sources said. (Photo by Wissm al-Okili/Reuters)

A couple take a selfie as commuters travel home through Oxford Circus during a 24 hour strike by in London, Britain August 5, 2015. Londoners face major transport disruption from Wednesday evening as train drivers and staff on the underground rail network walk out for the second time in less than a month. Unions are angry over plans to introduce a new night service from September and weeks of talks with transport bosses have failed to clinch a deal over pay and conditions. (Photo by Darren Staples/Reuters)

An opposition supporter draws peace signs on the shield of a riot police officer during a protest in front of the Supreme Electoral Council (CSE) building in Managua, Nicaragua August 5, 2015. The protesters said they were demonstrating to demand fairer elections in the country next year. (Photo by Oswaldo Rivas/Reuters)

Migrants are illuminated by police torches as they run to cross a fence during an attempt to access the Channel Tunnel in Frethun, near Calais, France, August 5, 2015. (Photo by Juan Medina/Reuters)

Migrants sit by a roadside as darkness falls, near to the Eurotunnel site in Calais, France, August 4, 2015. Many migrants, each night, wait for darkness prior to heading for the Channel tunnel entrance, where they attempt to illegally jump onto moving freight trains bound for Britain. (Photo by Peter Nicholls/Reuters)

Recording artist Mariah Carey poses on her star with her son Moroccan Scott after it was unveiled on the Hollywood Walk of Fame in Los Angeles, California August 5, 2015. (Photo by Mario Anzuoni/Reuters)

A vehicle burned in the Rocky Fire is shown near Lower Lake, Calif., Tuesday, August 4, 2015. Firefighters made some progress Tuesday afternoon with some help from light rain that fell in the area. (Photo by Jeff Chiu/AP Photo)

A car burned in the Rocky Fire is shown near Lower Lake, Calif., Tuesday, August 4, 2015. (Photo by Jeff Chiu/AP Photo)

A car burned in the Rocky Fire is shown near Lower Lake, Calif., Tuesday, August 4, 2015. (Photo by Jeff Chiu/AP Photo)

Children performers wearing LED-lit costumes dance during a Golden Jubilee celebration parade rehearsal in Singapore August 1, 2015. Singapore marks 50 years of independence on August 9. (Photo by Edgar Su/Reuters)

The far side of the moon, illuminated by the sun, as it crosses between the DSCOVR spacecraft's Earth Polychromatic Imaging Camera (EPIC) camera and telescope, and the Earth – one million miles away. (Photo by NASA/NOAA)

U.S. Army soldiers from Charlie Company, 2-14 Infantry Regiment, 2nd Brigade, 10th Mountain Division play football in Forward Operating Base (FOB) Connolly in Nangarhar province, east of Kabul, Afghanistan, Wednesday, August 5, 2015. (Photo by Massoud Hossaini/AP Photo)

Herberg Middle School teacher Mallory Reddy successfully floats in her team's kayak at North Pond in the Savoy Mountain State Forest in Florida, Mass., Wednesday, August 5, 2015. Students from the Reid and Herberg Middle School summer programs built the kayaks out of recycled bottles and other recycled school materials as their final project of the 3-week-long programs funded through the 21st Century Community Learning Center. (Photo by Stephanie Zollshan/The Berkshire Eagle via AP Photo)

Reid Middle School student Harmony Phillips, 13, successfully sets off in her team's kayak at North Pond in the Savoy Mountain State Forest in Florida, Mass., Wednesday, August 5, 2015. (Photo by Stephanie Zollshan/The Berkshire Eagle via AP Photo)

Herberg Middle School Dean of Students Mike Taber begins to sink as his kayak, the “Taber-tanic”, buckles beneath him at North Pond in the Savoy Mountain State Forest in Florida, Mass., Wednesday, August 5, 2015. (Photo by Stephanie Zollshan/The Berkshire Eagle via AP Photo)

A 70-year-old Myanmar Buddhist monk sits on his bed inside a half-flooded monastery in Nyaung Don township of Ayeyarwaddy Region, Myanmar, 05 August 2015. Myanmar's president declared four regions of the country as disaster zones on 31 July 2015. Heavy monsoon rains caused floods around Myanmar with dozens deaths being reported as thousands are fleeing their homes in several regions across the country. In Myanmar the monsoon season starts at the beginning of June and it ends in September. (Photo by Lynn Bo Bo/EPA)

Visitors tour the depths of the Vincennes quarry during a press visit, near Paris, France, 05 August 2015. Located in the bois de Vincennes forest on the outskirts of Paris, the Vincennes quarry, active from the Middle Ages until 1860, provided the stone and limestone used for the construction and remodelling of the city of Paris as we know it today. After its closure, the quarry's dark and damp galleries were briefly used to grow mushrooms, known as “Champignons de Paris”. Since 2005, the city of Paris has launched renovation works to secure the vast stretches of underground galleries 20 meters below ground, in hopes to one day open them to the public. (Photo by Ian Langsdon/EPA)

A more than 400 m long coloured pencil made by writing instrument manufacturer Staedtler pictured during a world record attempt in Nuremberg, Germany, 05 August 2015. With a total length of 459.97 m, the company was able to set a new record for the world's longest coloured pencil. (Photo by Daniel Karmann/EPA)

Vitalia Diatchenko of Russia plays against Ajla Tomljanovic of Croatia during day two of the Bank of the West Classic at the Stanford University Taube Family Tennis Stadium on August 4, 2015 in Stanford, California. (Photo by Lachlan Cunningham/Getty Images)

An aircraft dumps water over a wildfire in Ourem, central Portugal, 04 August 2015. The fire is being fought by 125 firemen and four airplanes. (Photo by Paulo Cunha/EPA)

Michal Navratil of the Czech Republic performs after the men's 27 meter high dive final at the Swimming World Championships in Kazan, Russia, Wednesday, August 5, 2015. (Photo by Denis Tyrin/AP Photo)

Elena Larea plays the part of a dead crocodile during a protest against animal cruelty outside a luxury Hermes store in Mexico City, Wednesday, August 5, 2015. The sign behind reads in Spanish “Hermes, abandon cruelty! Don't use crocodile skins”. The animal rights groups PETA says crocodiles and caimans are kept in filthy pools for years before workers cut their necks and destroy their brains with metal bars. (Photo by Sofia Jaramillo/AP Photo)

Paquito Miurillo, center, prays beside his colleagues before taking part in a “Corrida Goyesca” in Estella, northern Spain, Tuesday, August 4, 2015. The participants dress in traditional clothes from the 18th century. (Photo by Alvaro Barrientos/AP Photo)

Marcos Prieto, right, prays taking part in a “Corrida Goyesca” in Estella, northern Spain, Tuesday, August 4, 2015. (Photo by Alvaro Barrientos/AP Photo)

Marcos Prieto puts on his leg a religious card before taking part in a “Corrida Goyesca” in Estella, northern Spain, Tuesday, August 4, 2015. The participants dress in traditional clothes from the 18th century. (Photo by Alvaro Barrientos/AP Photo)

Paquito Miurillo, right, prays beside his colleagues before taking part in a “Corrida Goyesca” in Estella, northern Spain, Tuesday, August 4, 2015. (Photo by Alvaro Barrientos/AP Photo)

A man jumps over a cow during a “Corrida Goyesca” in Estella, northern Spain, Tuesday, August 4, 2015. (Photo by Alvaro Barrientos/AP Photo)

Cambodian Royal Fine Art University students perform the traditional drama, called “Lakhoan Yike” in Phnom Penh, Cambodia, Wednesday, August 5, 2015. The drama tells a historical narrative. (Photo by Heng Sinith/AP Photo)

Balloons, attached to a cutout of the Dome of the Rock, are released during a military-style graduation ceremony for young Palestinians organised by the Hamas movement, in Gaza City August 5, 2015. Thousands of young Palestinians joined Hamas military-style summer camps during school vacation in the Gaza Strip to prepare them to “confront any possible Israeli attack”, organisers said. (Photo by Suhaib Salem/Reuters)

An activist of India's opposition Congress party shouts slogans as she is detained by police during a protest in Mumbai, India, Wednesday, August 5, 2015. The opposition has been demanding that two leaders of the ruling Bharatiya Janata Party (BJP) resign for allegedly helping a former Indian cricket official facing investigation for financial irregularities. (Photo by Rafiq Maqbool/AP Photo)

A model is seen through a candle stand as she walks the ramp to display creations during a fashion show at the India International Jewelry Week in Mumbai, India, Wednesday, August 5, 2015. (Photo by Rajanish Kakade/AP Photo)

Israelis and Palestinians cool themselves off at the Ein Fuar spring located in the West Bank, Judean Desert near Jericho, 05 August 2015. Temperatures in parts of Israel and Palestine rose to 45 degrees Celsius as a heat wave visits the region. (Photo by Abir Sultan/EPA)

Ukrainian artist Daria Marchenko lights up her artwork “The Face of War” which depicts Russian President Vladimir Putin in Kiev, Ukraine, 05 August 2015. “The Face of War” – is the first picture in the series “Five Elements of War” which Daria Marchenko plans to create. About 5,000 cartridge cases of different calibres for different types of weapons from the eastern Ukrainian conflict zone were used for creating of this artwork. This work has the peculiarity of changing the colour and facial expressions depending on the change of the lighting. (Photo by Roman Pilipey/EPA)