A woman wearing high heels, nylon stockings and a skirt sits on a park bench and enjoys the sunny spring day in Mainz, western Germany on March 5, 2013. (Photo by Fredrik Von Erichsen/AFP Photo)

People walk as snow falls during a late winter storm at the US Capitol in Washington, DC, March 6, 2013. Federal offices and many schools have closed in preparation for a mix of snow, sleet and rain which could account for the area's largest winter storm in two years. (Photo by Saul Loeb/AFP Photo)

Indian shipbreakers work at the Sosiya-Alang Ship Recycling yard near the Mithi Virdi village in Bhavnagar district, some 260 kms from Ahmedabad, on March 4, 2013. Some 30,000 workers are employed at the shipbreaking yard. Some 800 hectares of land near the area is currently marked for a proposed 6,000 MW nuclear power plant by the Nuclear Power Corporation of India Limited (NPCIL). (Photo by Sam Panthaky/AFP Photo)

Tourists take photos during the daily flag-lowering ceremony on Tiananmen Square in Beijing on March 4, 2013. Thousands of delegates from across China meet this week to seal a power transfer to new leaders whose first months running the Communist Party have pumped up expectations with a deluge of propaganda. (Photo by Ed Jones/AFP Photo)

A leaning house in the Russian Black Sea resort of Sochi, Russia, on March 4, 2013. Reason: collapse of the automobile tunnel which built nearby for Winter Olympic Games 2014. (Photo by Mikhail Mordasov/AFP Photo)

A Malaysian soldier stands guard during the departure of Malaysia's Prime Minister Najib Razak in Felda Sahabat on March 7, 2013. Malaysia's prime minister on March 7 rejected a ceasefire call by the self-proclaimed Philippine sultan whose Islamic fighters launched a deadly incursion into Malaysia. (Photo by Mohd Rasfan/AFP Photo)

A Bihari Hindu priest, smeared with coloured powder, looks on after the completion of a ritual at the Sangam, the confluence of the rivers Ganges, Yamuna and mythical Saraswati during the Maha Kumbh festival in Allahabad on March 6, 2013. The Kumbh Mela in the town of Allahabad will see up to 100 million worshippers gather over 55 days to take a ritual bath in the holy waters, believed to cleanse sins and bestow blessings. (Photo by Sanjay Kanojia/AFP Photo)

A swarm of locusts fly on March 6, 2013 above a highway in the Israeli village of Kmehin in the Negev Desert near the Egyptian border. According the UN Food and Agriculture Organization (FAO) a swarm of tens of millions of locusts has overtaken Egyptian desert land in the past few days and is heading to the Gaza Strip, Israel and Jordan. (Photo by Menahem Kahana/AFP Photo)

Lightnings sparkle in the sky of Jakarta, Indonesia – during a storm on March 4, 2013. (Photo by Romeo Gacad/AFP Photo)

A Kosovo Albanian child dressed in a military costume takes part in a ceremony in Pristina on March 5, 2013 marking the 15th anniversary of the killing of Kosovo Liberation Army (KLA) commander Adem Jashari. Jashari was among 45 members of his family killed by Serb security forces in the vilage of Prekaz some 40 kms west of the Kosovo capital Pristina, sparking a full-blown rebel insurgency. (Photo by Armend Nimani/AFP Photo)

A man works checks what will be the first ETCS (European Train Control System) line, on March 6, 2013 in Profondeville, Wallonia. The modernisation of the line, between Jambes and Dinant (L154), will enable the system to automatically stop a train that neglects a red light or exceeds the maximum speed limit. (Photo by Bruno Fahy/AFP Photo/Belga)

A diesel locomotive has ended up in the river Venoge on March 8, 2013 near Penthalaz, Western Switzerland. The freight locomotive derailed near Cossonez railway station with its driver slightly injured. (Photo by Fabrice Coffrini/AFP Photo)

President of Belarus Alexander Lukashenko and his son Nikolai, stand next to the flag-draped coffin of late Venezuela's President Hugo Chavez during the funeral ceremony at the military academy in Caracas on March 8, 2013. (Photo by Marcelo Garcia/Miraflores Press via AP Photo)

President Hugo Chavez's supporters mourn at his coffin at the military academy in Caracas, on March 6, 2013. (Photo by Efrain González/AFP Photo/Presidência da Venezuela)

A woman pays a last tribute to Hugo Chavez as he lies in state at the military academy chapel on March 7, 2013. (Photo by Efrain González/AFP Photo/Presidência da Venezuela)

Venezuelan soldiers push the protective fences as supporters wait in line to pay last respects to the late Venezuelan President Hugo Chavez, outside the Military Academy in Caracas on March 7, 2013. Venezuelans filed past the open casket of late President Hugo Chavez as he lay in state after throngs of weeping loyalists gave the firebrand leftist a rousing farewell on the streets on the eve. (Photo by Leo Ramirez/AFP Photo)

A child dressed as Hugo Chávez, salutes on March 8, 2013. (Photo by Ronaldo Schemidt/AFP Photo)

Members of the guard of honor wait for the arrivals of heads of state that will attend the funeral of Venezuela's late President Hugo Chavez at the airport in Maiquetia, near Caracas, Venezuela, Thursday, March 7, 2013. Chavez died of cancer on Tuesday. (Photo by Esteban Felix/AP Photo)

Servicemen help a woman move out of the crowd waiting to see the body of Venezuela's late President Hugo Chavez at the military academy where he is lying in state in Caracas, Venezuela, Thursday, March 7, 2013. While Venezuela remains deeply divided over the country's future, the multitudes who reached the president's coffin early Thursday were united in grief and admiration for a man many considered a father figure. (Photo by Ariana Cubillos/AP Photo)

The girl suffered in a crush at a military college in Caracas where there was a body of president Hugo Chavez, on March 8, 2013. (Photo by Carlos Garcia Rawlins/Reuters)

Iran's President Mahmoud Ahmadinejad pays tribute to late Venezuelan President Hugo Chavez, during the funeral service at the Military Academy in Caracas March 8, 2013, in this picture provided by the Miraflores Palace. Chavez will be embalmed and put on display “for eternity” at a military museum after a state funeral and an extended period of lying in state, acting President Nicolas Maduro said on Thursday. (Photo by Miraflores Palace/Reuters)

A man looks at waves breaking on the rocks on the beach along the “Promenade des Anglais”, on March 6, 2013 in Nice, southeastern France. (Photo by Valery Hache/AFP Photo)

On Wednesday, March 5, 2013, the Smithsonian's National Museum of Natural History will put on display the newest addition to its famous gem collection with a butterfly brooch made of 2,300 gems. The “Royal Butterfly Brooch”, seen in an undated photo, was created in 2009 by Taiwanese jewelry artist Cindy Chao. She is donating the piece to the museum, making it the first Taiwanese-designed item in the National Gem Collection. The Royal Butterfly is composed of 2,328 gems, totaling 77 carats. It includes colored and color-changing sapphires and diamonds, rubies and tsavorite garnets. The centerpieces of the butterfly's wings are four large-faceted diamond slices. (Photo by Don Hurlbert/Smithsonian' Instutution)

Policemen protect themselves during a demonstration against layoffs by Goodyear employees at the Goodyear headquarters in Rueil Malmaison, west of Paris, on March 7, 2013. (Photo by Remy de la Mauviniere/Associated Press)

Skaters perform during celebrations launching the one-year countdown for the 2014 Sochi Winter Paralympics in Moscow's Red Square, on March 7, 2013. (Photo by Alexander Zemlianichenko/Associated Press)

Egyptians mourn during the funeral for Abd Alhaleem Mohanna, 23, who was killed on March 5 during clashes with police, in Port Said. Egypt's police forces have withdrawn from the streets of this restive city on the Suez Canal, handing over security to the military after nearly a week of deadly clashes. (Khalil Hamra/Associated Press)

Dutch artist Remko Van Schaik picks up debris on the 3D elephant art he painted at a Buddhist temple in Bangkok, Thailand, on March 9, 2013. (Photo by Apichart Weerawong/Associated Press)

Ocean waves crash over a seawall and into houses along the coast in Scituate, Massachusetts, March 7, 2013. A nor'easter is bringing wind-whipped, wet snow to the state, and coastal flooding is expected in communities still recovering from February's blizzard. (Photo by Steven Senne/Associated Press)

A ascetic, wandering monk (Sadhu) prepares itself for ritual in Pashupatinath temple, Kathmandu, Nepal, on March 4, 2013. (Photo by Navesh Chitrakar/Reuters)

A child stands at the door of a shipping container that serves as his home March 4, 2013 in Shanghai, China. The containers, which house several families, were set up by the landlord, who charges 500 yuans (about 80 dollars) per month for each container. (Photo by Aly Song/Reuters)

The peaceful protest by a group of contract teachers in Patna, India took a serious turn after the city police resorted to lathicharge against them on Tuesday, March 5, 2013. The protesting teachers had been demanding that their jobs should be made permanent and they should get equal pay for equal work. The lathicharge took place outside the Bihar Assembly. The police even used water cannons and tear gas shells to disperse the protesters. The contractual teachers have protested number of times recently. Last night too, the police used lathicharge on some agitating teachers, which led to a strong protest by the opposition in both Houses of Bihar Legislature today. The opposition has demanded a statement from the government on the incident. (Photo by Krishna Murari Kishan/Reuters)

Men and children stand in front of burning stalls after a fire in a wholesale vegetable and fruit market, in the outskirts of Karachi March 6, 2013. A fire broke out in the market on Wednesday evening, causing massive damage but no casualties were reported, according to local media. (Photo by Athar Hussain/Reuters)

Workers prepare the stoves that will be used to burn the ballots during the next conclave in the Sistine Chapel at the Vatican in this photo released by Osservatore Romano March 7, 2013. (Photo by Osservatore Romano/Reuters)

An Afghan woman looks out from a helicopter window at the International Airport in Kabul March 7, 2013. Afghan women take a tour around Kabul to mark International Women's Day. (Photo by Mohammad Ismail/Reuters)

Cyclist on the street, flooded in the district of the Ipiranga, in the Southern District of Sao Paulo, March 8, 2013. (Foto by Edson Lopes Jr./Folhapress)

Pakistani passengers travel on a over loaded mini bus in Karachi on March 6, 2013. Karachi went on an indefinite strike , with businesses, shops, schools and transporters ordered to shutdown until police arrest those responsible for the city's worst bomb attack in years. The Muttahida Qaumi Movement (MQM), which controls most of Pakistan's largest city, ordered the strike three days after a powerful car bomb killed 50 people and wounded around 140 others in Shiite Muslim neighbourhood Abbas Town. (Photo by Asif Hassanasif Hassan/AFP Photo)

The driver Aloildo Santos Ferreira, 42, died after losing control of his way on Highway Feijo, the near to the municipality of Feira de Santana, Bahia, on March 6, 2013. (Photo by Uiz Tito/Agency Afternoon)

Policemen detain an opposition supporter taking part in a picketing calling for the release of two jailed members of the p*ssy Riot protest punk band in central Moscow on March 8, 2013. Nadezhda Tolokonnikova, a philosophy student, was sent to prison camp in October 2012 along with bandmate Maria Alyokhina, after being convicted of hooliganism motivated by religious hatred for singing a “punk prayer” in a Moscow cathedral protesting President Vladimir Putin's close links with the Russian Orthodox Church. (Photo by Evgeny Feldman/AFP Photo)

Israeli riot policemen help a comrade after a fire bomb was thrown at him during clashes with Palestinian demonstrators at Jerusalem's al-Aqsa mosque compound following Friday prayers on March 8, 2013. Palestinians enraged by reports that an Israeli policeman mishandled a Koran battled riot officers at Jerusalem's Al-Aqsa mosque compound with stones and petrol bombs, police and witnesses said. (Photo by STR/AFP Photo)

A Palestinian protester runs away from Israeli border guards during clashes following a protest against the expropriation of Palestinian land by Israel on March 8, 2013, in the village of Kafr Qaddum, near the occupied West Bank city of Nablus. (Photo by Jaafar Ashtiyeh/AFP Photo)

An Egyptian protester evacuates a wounded man during clashes between protesters and riot police near the state security building in Port Said, Egypt, Wednesday, March 6, 2013. Clashes between protesters and police have broken out in this restive Egyptian port city despite efforts by the military to separate the two sides. (Photo by Khalil Hamra/AP Photo)

A woman walks past riot police, background, during clashes with protesters, unseen, near a state security building in Port Said, Egypt, Thursday, March 7, 2013. Clashes between protesters and police continued into a fifth day on Thursday in the restive Egyptian city of Port Said. (Photo by Khalil Hamra/AP Photo)

A street cleaner on an electronic bike passes by People's Liberation Army soldiers dressed as ushers while they stand guard in front of the Great Hall of the People before the opening session of the National People's Congress in Beijing Tuesday, March 5, 2013. In a rare move, China declined to reveal its defense budget request for 2013. Every year, the country announces its defense spending plan for the upcoming year at a press conference before the opening of an annual session of the National People's Congress, China's parliament. (Photo by Andy Wong/AP Photo)

Workers sort scraps at a factory in a Dharavi slum in Mumbai, India, on March 7, 2013. (Photo by Rafiq Maqbool/Associated Press)

A large-scale boulder sculpture “Rock on Top of Another Rock”, by the artist duo Fischli/Weiss during its unveiling at the Serpentine Gallery in Hyde Park, London, Friday March 8, 2013. (Photo by Yui Mok/PA Wire)

A woman rushes an injured protestor to a safer location after activists clashed with police in Dhaka, Bangladesh, on March 6, 2013.The BNP activists were enrage after police fired protesters during a series of nationwide general strikes this week. (Photo by A.M. Ahad/Associated Press)

Breitling Wingwalker Sarah Tanner, from the UK, performs over Sydney Harbour in what is the first visit to the southern hemisphere by the UK based Breitling Wingwalker team in Sydney, Australia, on Thursday, March 7, 2013. The Stearman biplane, piloted by Martyn Carrington, performed an aerial display in front of the iconic Sydney Opera House and Sydney Harbour Bridge. (Photo by Michael Jorgensen for Breitling via AP Images)

An Egyptian police truck burns after being set on fire by soccer fans during an anti-government rally in in Giza, March 6, 2013. (Photo by Nasser Nasser/Associated Press)

Lava erupts at the New Sud-Est crater of Mt. Etna's volcano in Sicily, March 6, 2013. This is the seventh eruption of 2013 and it did not pose any threats to the nearby airport and neighborhoods. (Photo by Salvatore Allegra/Associated Press)

The dense smog is visible at sunrise in São Paulo, Brazil, on March 4, 2013. (Photo by Luiz Guarnieri/Brazil Photo Press/Estadão Conteúdo)

A Chinese hostess, who serves delegates of National People's Congress, supervises her colleagues posing for a souvenir photograph on Tiananmen Square during a plenary session of the NPC at the Great Hall of the People in Beijing, on March 8, 2013. The outgoing head of China's legislature has praised the body for upholding the ruling Communist Party's leading role and for rejecting Western models of multiparty democracy. (Photo by Andy Wong/Associated Press)

A Chinese military member adjusts a camera as he watches over Tiananmen Square from a rooftop against a sun rise, across from the Great Hall of the People before the opening session of the National People's Congress in Beijing Tuesday, March 5, 2013. China's government promised its people Tuesday deficit-fueled spending to fight deep-seated corruption, improve the despoiled environment and address other quality-of-life issues demanded by an increasingly vocal public looking for change. (Photo by Andy Wong/AP Photo)

Bolshoi soloist Pavel Dmitrichenko appears in courtroom in Moscow, Russia, on March 7, 2013. The star dancer is accused of planning the attack on the Bolshoi ballet chief Sergei Filin and admitted that he gave the go-ahead for the attack, but said he did not order anyone to throw acid on the artistic director's face. (Photo by Alexander Zemlianichenko/Associated Press)

At the launch at the Everyman Theatre, Cork, of the Charlie Chaplin Comedy Film Festival which will take place in Waterville from August 22nd-25th were the members of the Josephine McGillicuddy School of Dance, Waterville, on March 7, 2013. (Photo by Denis Minihane)

Goodyear employees scuffle with riot police during a demonstration against layoffs, west of Paris, on March 7, 2013. (Photo by Remy de la Mauviniere/Associated Press)

Tree in the crossroad of the Streets with Consolation in gained Sao Paulo converted into installation by the American artist Peter Coffin, on March 8, 2013. Other trees for the city also received the artistic installation. (Photo by Gabriela Biló/Estadão Conteúdo/Futura Press)

Man shows the damage caused by a BMW who raided his home in Ribeirão Preto (SP) during the morning, on March 5, 2013. Bandits fleeing police crashed against the outside wall of the house. A girl who slept on the mattress was injured. The three thieves were arrested. (Photo by Alfredo Risk/Futura Press/Estadão Conteúdo)

Kindergarten children play near a geiger counter, measuring a radiation level of 0.160 microsievert per hour, about 50 kilometers from the crippled Fukushima Daiichi nuclear power plant, in Nihonmatsu, Fukushima Prefecture, Japan, on March 4, 2013. (Photo by Chris Meyers /Reuters)

Indian people and policemen, in uniform, gather after a bus accident at Rajouri district in Jammu, India, Friday, March 8, 2013. Fifteen people were killed and 24 injured when a bus rolled down into a deep gorge, according to local reports. (Photo by AP Photo)

Indonesian officials examine the crater of Tangkuban Perahu volcano in Subang, West Java, Indonesia, Thursday, March 7, 2013. Indonesian authorities are closely monitoring the smoking volcano popular with tourists on Java island and are urging everyone to stay off the mountain's slope after it spewed smoke and ash nearly 500 meters (1,640 feet) into the air since Monday. Scientists have put it on the second-highest alert level. (Photoby Kusumadireza/AP Photo)

The scene of a plane crash at Dublin Airport after the front wheel of the Bin Air aircraft buckled on landing causing the accident on the runway, on March 7, 2013. (Photo by Niall Carson/PA Wire)

A Hindu Holy man, with ash smeared on his body, tries to stretch as he rests inside the premises of Pashupatinath Temple in Katmandu, Nepal, on March 4, 2013. Hindus across the world will be celebrating Mahashivratri, or Shiva's night festival on March 10, believed to be the day when Shiva got married. (Photo by Niranjan Shrestha/Associated Press)

Protesters throw stones at Indian paramilitary soldiers during a protest in Srinagar, India, on March 4, 2013. Most businesses and schools were closed in Kashmir, after separatists called for a strike to demand the return of the body of Mohammed Afzal Guru, who was secretly executed and buried in the Indian capital. (Photo by Mukhtar Khan/Associated Press)

This combination photo shows an aerial view of Kesennuma, Miyagi prefecture on March 12, 2011, top, and Friday, March 4, 2013. Seen at left is the No. 18 Kyotokumaru fishing vessel that has been swept away from a port by the March 11, 2011 tsunami. Japan's progress in rebuilding from the mountain of water that thundered over coastal sea walls, sweeping entire communities away and killing nearly 19,000 people, is mainly measured in barren foundations and empty spaces. Clearing of forests on higher ground to make space for relocation of survivors has barely begun. Japan next week observes two years from the disasters which devastated the northeastern Pacific coast of the country. (Photo by AP Photo/Kyodo News)

This combination photo shows a view of Ishinomaki, Miyagi prefecture on March 19, 2011, top, and Friday, March 1, 2013. Japan next week observes two years from the March 11, 2011 earthquake and tsunami which devastated the northeastern Pacific coast of the country. (Photo by AP Photo/Kyodo News)

Protesters scuffle with French riot police in front of the headquarters of tire maker Goodyear Dunlop France during a demonstration against job cuts March 7, 2013 near Paris. In January, Goodyear confirmed plans to close a French plant near the northern city of Amiens, which would cut 1,173 jobs. (Photo by Jacky Naegelen/Reuters)

Communist supporters carry a portrait of former Soviet dictator Josef Stalin as they line up to place flowers on Stalin's grave in Red Square to mark the 60th anniversary of his death, on March 5, 2013. (Photo by Alexander Zemlianichenko/Associated Press)

Members of the next expedition to the International Space Station, Russian Cosmonauts Alexander Misurkin, left, and Pavel Vinogradov, center, and US astronaut Christopher Cassidy prepare to shake hands before their final preflight practical examination in a mock-up of a Soyuz TMA space craft at Russian Space Training Center in Star City outside Moscow, Russia, Tuesday, March 5, 2013. The three are the next crew scheduled to blast off to the International Space Station from Baikonur cosmodrom on a Russian made Soyuz TMA-08M space craft on March 28. (Photo by Mikhail Metzel/AP Photo)

A woman crosses Market Street during a winter snow storm in Philadelphia, March 8, 2013. Many areas in the state reported 4 to 6 inches of snow. (Photo by Matt Rourke/Associated Press)

British daredevil Jonathan Goodwin attempts to escape from his blazing straitjacket as he hung high in the air from the EDF Energy London Eye, March 5, 2013. The stunt was filmed for his new television show, “The Incredible Mr. Goodwin”, which starts on Watch this Thursday, 7th March at 9pm. (Photo by David Parry/PA Wire)

Men try to move sacks of onions to a safer place during a fire in a wholesale vegetable and fruit market on the outskirts of Karachi, Pakistan, on March 6, 2013. A fire broke out in the market Wednesday evening, causing massive damage. No casualties were reported. (Photo by Athar Hussain/Reuters)

Firefighters try to extinguish a fire on a gas tanker on the outskirts of Mumbai, India, on March 4, 2013. One person died and 14 were injured when the tanker caught fire. (Photo by Rafiq Maqbool/Associated Press)

Thai people walk beside a 3D street painting entitled “Victim of Circumstance” by the Netherlands' Leon Keer during the Living Arts street painting festival, in Bangkok, Tuesday, March 5, 2013. (Photo by Sakchai Lalit/AP Photo)

A house on the Plum Island seacoast in Newbury, Mass., sits partially collapsed into the churning surf, driven by winds from a slow-moving storm centered far out in the Atlantic Ocean, at high tide Friday morning, March 8, 2013. The storm dropped up to a foot of snow in some parts of New England, caused coastal flooding in Massachusetts and slowed the morning commute in the region to a slushy crawl. (Photo by Jim Vaiknoras/AP Photo/Newburyport Daily News)

Children carry wicker baskets, made by their parents, to display for sale on a roadside in Mumbai, India, March 7, 2013. (Photo by Rafiq Maqbool/Associated Press)