Ayanleh Souleiman of Djibouti celebrates as he wins the men's 1500 metres final at the world indoor athletics championships at the ERGO Arena in Sopot March 8, 2014. (Photo by Kacper Pempel/Reuters)

Circus dancers gesture during a demonstration in support of the use of animals in circus shows, in front of the Metropolitan Cathedral in Mexico City, on March 13, 2014. (Photo by Edgard Garrido/Reuters)

National police transport an anti-government protester detainee during a protest against Nicolas Maduro's government in Caracas March 13, 2014. Venezuela's state prosecutor said on Thursday the death toll from a month of violent protests had risen to 28, after the nation's top court ordered opposition mayors to dismantle barricades set up by street protesters. State prosecutor Luisa Ortega Diaz, speaking on the sidelines of the U.N. Human Rights Council in Geneva, also said 1,293 detainees had been released and 104 remained in custody accused of serious crimes during the anti-government demonstrations. (Photo by Carlos Garcia Rawlins/Reuters)

An Afghan National Army helicopter flies over men attending in the burial of Afghanistan's influential Vice President Mohammad Qasim Fahim during his funeral procession in Kabul, Afghanistan, on March 11, 2014. (Photo by Massoud Hossaini/Associated Press)

New York Islanders' Matt Donovan, left, is checked into the glass by Vancouver Canucks' Henrik Sedin, of Sweden, during first period NHL hockey action in Vancouver, British Columbia, on March 10, 2014. (Photo by Darryl Dyck/The Canadian Press)

Venezuelan students clash with riot police during a protest against the government of President Nicolas Maduro, in Caracas on March 12, 2014. A young man was shot dead in a confused event during protests in the city of Valencia, in northern Venezuela. About 3,000 Venezuelan students marched Wednesday to mark a month since the first deaths in anti-government protests that have now claimed at least 22 lives. (Photo by Leo Ramirez/AFP Photo)

Robots perform a pole dance at the booth of the Tobit Software company on the eve of the start of the 2014 CeBIT technology trade fair on March 9, 2014 in Hannover, central Germany. (Photo by John MacDougall/AFP Photo)

A girl jumps next to a picture of late Venezuela's president Hugo Chavez at Plaza Bolivar in Caracas March 9, 2014. Followers of Chavez are commemorating the first anniversary of his death this week, a sad but welcome distraction for his successor who has faced a month of violent protests. A year after Chavez succumbed to cancer, his self-proclaimed “son”, President Nicolas Maduro, faces the biggest challenge to his rule from a month-long explosion of anti-government demonstrations that have led to 20 deaths. (Photo by Jorge Silva/Reuters)

Maidan self-defence activists walk as anti-war placards are hung in Kiev on March 13, 2014. Ukraine moved Thursday to mobilise a volunteer force to ward off Russia's expansionist threat. (Photo by Anatolii Stepanov/AFP Photo)

Hindu widows and Harijan, or former untouchable women play with colored water for the first time as part of Holi celebrations at the Meera Sahbhagini Ashram in Vrindavan, India, on March 14, 2014. The widows, many of whom at times have lived desperate lives in the streets of the temple town, celebrated the festival at the century old ashram. After their husband's deaths the women have been banished by their families, for supposedly bringing bad luck, to the town where devotees believe Lord Krishna was born. (Photo by Manish Swarup/Associated Press)

The eye of exhibition curator Anna Reynolds is pictured with a gold, Burmese ruby and diamond pendant the contains a miniature of Queen Elizabeth I, part of a new Royal Collection exhibition entitled In Fine Style: The Art of Tudor and Stuart Fashion at The Queen's Gallery, Palace of Holyroodhouse, in Edinburgh Scotland, on March 13, 2014. A number of artworks never previously displayed in Scotland will go on show as part of the new exhibition documenting the opulent fashions of the Tudor and Stuart elite. Paintings, drawings and jewellery from the Royal Collection will be displayed alongside rare pieces of clothing from the 16th and 17th centuries in the show at Edinburgh's Queen's Gallery. (Photo credit should read: Danny Lawson/PA Wire)

The motorcade carrying Ukrainian Prime Minister Arseniy Yatsenyuk leaves the White House after meeting with President Barack Obama. March, 12, 2014 in Washington, DC. (Photo by Craig Hudson/For The Washington Post)

This photograph made available by The Straits Times on March 10, 2014 shows personnel from the Republic of Singapore Air Force (RSAF) scanning the seas about 140 nautical miles north-east of Kota Baru, Malaysia, for any signs of the Malaysia Airlines plane which went missing. Malaysia said there is still no trace of wreckage from the jet that vanished with 239 people on board, deepening the anguish of relatives two days after the “mystifying” disappearance. (Photo by Desmond Lim/AFP Photo/The Straits Times)

Austrian national Maximilian with a Tibetan flag attached to his hat joins exiled Tibetans at a gathering to mark the 55th anniversary of the failed uprising in the Tibetan capital Lhasa in 1959, in Dharmsala, India, on March 10, 2014. The uprising of the Tibetan people against the Chinese rule was brutally quelled by Chinese army forcing the spiritual leader the Dalai Lama and hundreds of Tibetans to come into exile. (Photo by Ashwini Bhatia/Associated Press)

Ananti government activist injured during clashes with the National Police is helped by mates in Caracas on March 12, 2014. A young man was shot dead early today in a confused event during protests in the city of Valencia, in northern Venezuela. About 3,000 Venezuelan students marched Wednesday to mark a month since the first deaths in anti-government protests that have now claimed at least 22 lives. (Photo by Leo Ramirez/AFP Photo)

A man sits on the window of his flooded truck in Cali, Colombia on March 12, 2014, during heavy rains. The IDEAM (Institute of Hydrology, Meteorology and Environmental Studies of Colombia) announces a strong rainy season for the next three months in the country. (Photo by Luis Robayo/AFP Photo)

Russia's Svetlana Konovalova competes during Women's Biathlon 10 km Sitting at XI Paralympic Olympic games as part of the in Rosa Khutor on March 11, 2014. (Photo by Kirill Kudryavtsev/AFP Photo)

Protestors clean their eyes after police fired flee tear gas during clashes with riot police after the funeral of Berkin Elvan on March 12, 2014 in Istanbul. Riot police fired tear gas and water cannon at protesters in Ankara and Istanbul on Wednesday as tens of thousands took to the streets to mourn a teenage boy who died from injuries suffered in last year's anti-government protests. In the Turkish capital, police clashed with demonstrators as they tried to stop traffic, making a number of arrests and leaving several injured. (Photo by AFP Photo/Miramira)

A couple speaks while waiting for a Woman's Day event in central Simferopol, Ukraine, Saturday, March 8, 2014. Moscow mounted pressure on Ukraine Saturday, with Russia's foreign minister denouncing the new Ukrainian authorities as puppets of armed radicals and pro-Russia forces in Crimea trying to flush Ukrainian soldiers out of the few military bases still under their control. (Photo by Vadim Ghirda/AP Photo)

Hotel guides jump as they pose for photographs in front of the Tiananmen Gate and the giant portrait of Chinese late chairman Mao Zedong, near the Great Hall of the People during a plenary session of the National People's Congress (NPC) in Beijing March 9, 2014. (Photo by Reuters/Stringer)

A participant looks on during an anti-war protest at The Field of Mars in St. Petersburg March 8, 2014. Russian Foreign Minister Sergei Lavrov said on Saturday the new Ukrainian government should stick to an agreement signed by the ousted president, signalling no change in Moscow's position over the Crimea crisis. (Photo by Maxim Zmeyev/Reuters)

Ukrainian police detain a demonstrator during a pro Russian rally in Donetsk, Ukraine, Sunday, March 9, 2014. As separatists in Crimea kept up pressure for unification with Moscow, Ukraine solemnly commemorated the 200th anniversary of the birth of its greatest poet, with the prime minister vowing not to give up “a single centimeter” of Ukrainian territory. (Photo by Sergei Grits/AP Photo)

Undated Bushmills handout photo of a 10ft set of headphones crafted from age old whiskey barrels which will form the centrepiece at a gig with a difference this summer. The fully functioning phones, which were crafted out of oak panelled casks from Bushmills distillery in Northern Ireland, will blast out the songs played during a two-day music festival staged at the famous whiskey makers on the Causeway coast. The distillery, whose Bushmills Live event is now in its third year, has announced Manchester-based band The 1975 as the headline act this time around. (Photo by Bushmills/PA Wire)

Firefighters battle a fire after a building collapses in the East Harlem neighborhood of New York, Wednesday, March 12, 2014. (Photo by John Minchillo/AP Photo)

A damaged US Airways jet lies at the end of a runway at the Philadelphia International Airport, Thursday, March 13, 2014, in Philadelphia. Airline officials said the flight was heading to Fort Lauderdale, Fla., when the pilot was forced to abort takeoff around 6:30 p.m., after the front landing gear failed. An airport spokeswoman said no injuries have been reported. (Photo by Matt Slocum/AP Photo)

A student of Venezuela's Central University shouts slogans against Venezuela's President Nicolas Maduro during a protest in Caracas, Venezuela, on March 12, 2014. A month of student-led demonstrations in a number of Venezuelan cities has left at least 25 people dead, according to the government. Venezuelans fed up with inflation that reached 56 percent last year, long lines for buying some items at grocery stores and one of the highest homicide rates in the world have joined students in protesting against the government. (Photo by Fernando Llano/Associated Press)

Palestinians carry the body of an Islamic Jihad militant, who was killed in an Israeli air strike, during his funeral at a cemetery in Khan Younis in the southern Gaza Strip March 11, 2014. An Israeli air strike on Tuesday killed three Palestinian militants in the Gaza Strip, the Islamic Jihad group said. The Israeli military said an Israeli aircraft targeted Islamic Jihad members who had fired a mortar bomb at its forces, and “direct hits were confirmed”. (Photo by Ibraheem Abu Mustafa/Reuters)

Men hold their hands up on their heads as they are searched by pro-Russian servicemen at Chongar checkpoint blocking the entrance to Crimea on March 10, 2014. Russia vowed on March 10 to unveil its own solution to the Ukrainian crisis that would run counter to US efforts and would appear to leave room for Crimea to switch over to Kremlin rule. The unexpected announcement came as Ukraine's new pro-European leaders raced to rally Western support in the face of the seizure by Kremlin-backed forces of the strategic Black Sea peninsula and plans to hold a Sunday referendum on switching Crimea's allegiance from Kiev to Moscow. (Photo by Alisa Borovikova/AFP Photo)

A soldier stands guard outside a polling station in Toribio, deparment of Cauca, during parliamentary elections in Colombia, on March 9, 2014. Colombians went to the polls on Sunday to elect new legislators, in a vote seen as a referendum on peace talks with leftist guerrillas and a bellwether for May's presidential election. (Photo by Luis Robayo/AFP Photo)

A woman stands in front of the painting “Connections painting” (2007) in the exhibition “Magazine and Encyclopedia” of the New Leipzig School artist Paule Hammer during a press preview in the City Museum in Jena, central Germany, Friday, March 14, 2014. In Paule Hammer's paintings and installations, personal realities and private philosophies are woven into dense, pop-inspired compositions. The exhibition starts on March 15, 2014 and lasts until May 25, 2014. (Photo by Jens Meyer/AP Photo)