A woman reads the introduction of the painting “Bloodline: Big Family No.3” by Chinese artist Zhang Xiaogang during a preview for the Sotheby's Modern and Contemporary Asian Art Evening Sale in Hong Kong Wednesday, April 2, 2014. The painting is expected to fetch HK$ 65–80 million (US$ 8.3–10.3 million). (Photo by Kin Cheung/AP Photo)

In this Tuesday, April 1, 2014 photo, a woman lines up mannequin heads on a shelf at a company making fashion wigs for export in Jimo city in east China's Shandong province. Growth in the developing economies of Asia will edge higher as the recovery in rich countries helps the region weather the slowdown in China, the Asian Development Bank said Tuesday. (Photo by AP Photo)

A man breaks coconuts on a wooden pole placed above Indian villagers who lay on hot sand at the annual Danda festival or the festival of self punishment at Kulagarh village in Ganjam district, Orissa state, India, Wednesday, April 2, 2014. Villagers perform acts of punishing themselves during this fifteen day long festival as they pray for the well being of their families. (Photo by Biswaranjan Rout/AP Photo)

A Chinese boy runs along gravestones during the Qingming Festival outside Kuala Lumpur, Malaysia, on April 5, 2014. The Qingming Festival, or Tomb-Sweeping Day, is an annual festival during which Chinese people honor the dead. (Photo by Associated Press)

Kenyan police put the lifeless body of slain Muslim cleric Abubakar Shariff Ahmed into the back of a police pickup truck on a highway in Mombasa, Kenya, Tuesday, April 1, 2014. Attorney Mbugua Mureithi, attorney for radical Islamic leader Abubakar Shariff Ahmed, who had been sanctioned by the United States and the United Nations for supporting the al-Qaida-linked Somali militant group al-Shabab, said his client has been assassinated Tuesday along with another man whose identity has not yet been established, near the Shimo la Tewa prison in Mombasa, Kenya. (Photo by AP Photo)

Nuns stand at St. Peter's square at the Vatican at the end of the Pope's weekly general audience on April 2, 2014. (Photo by Gabriel Bouys/AFP Photo)

This picture released on April 2, 2014 shows wreckage of a crashed drone found on March 31, 2014 at Baengnyeong island near the disputed waters of the Yellow Sea. South Korea said it had recovered an unidentified drone that crashed on one of its border islands the same day that North and South Korea exchanged artillery fire across their disputed maritime boundary. (Photo by AFP Photo/South Korean Defence Ministry)

A woman dries bushmeat near a road of the Yamoussoukro highway March 29, 2014. Bushmeat – from bats to antelopes, squirrels, porcupines and monkeys – has long held pride of place on family menus in West and Central Africa, whether stewed, smoked or roasted. Experts who have studied the Ebola virus from its discovery in 1976 in Democratic Republic of Congo, then Zaire, say its suspected origin – what they call the reservoir host – is forest bats. Links have also been made to the carcasses of freshly slaughtered animals consumed as bushmeat. (Photo by Thierry Gouegnon/Reuters)

Ukrainian tank T-62 placed on a platform to be transported to the Ukraine from the Ostryakovo railway station not far from Simferopol, Crimea, Monday, March 31, 2014. The new Russian tanks T-72B will be stationed on former Ukrainian military bases. (Photo by Pavel Golovkin/AP Photo)

Cacti on display in the Royal Horticultural Society's “Great London Plant Fair” in the RHS Lawrence and Lindley Halls on April 1, 2014 in London, England. The show, which aims to celebrate the vibrancy of spring, includes the “RHS Early Daffodil Competition” and runs until April 4, 2014. (Photo by Oli Scarff/Getty Images)

PM paramilitary police CORE elite unit personnel patrol the Favela da Mare shantytown complex in Rio de Janeiro, Brazil, on March 30, 2014 early morning. More than 1,000 police backed by the military and armored vehicles occupied the vast Mare favela near Rio's international airport at dawn Sunday, just 74 days before the World Cup. (Photo by Yasuyoshi Chiba/AFP Photo)

In this Wednesday, March 26, 2014 photo, some of the skeletons found by construction workers under central London's Charterhouse Square are pictured. Twenty-five skeletons were uncovered last year during work on Crossrail, a new rail line that's boring 13 miles (21 kilometers) of tunnels under the heart of the city. Archaeologists immediately suspected the bones came from a cemetery for victims of the bubonic plague that ravaged Europe in the 14th century. The Black Death, as the plague was called, is thought to have killed at least 75 million people, including more than half of Britain's population. (Photo by Lefteris Pitarakis/AP Photo)

Astonished astronomers have found rings around an asteroid, the smallest object known to have this feature and only the fifth after Jupiter, Saturn, Uranus and Neptune. The twin rings around a rock called Chariklo were spotted in last June as it passed in front of a star, scrutinized by seven telescopes dotted across a stretch of South America. Like Saturn’s rings, Chariklo’s may be composed of water ice. Chariklo, a lumpy 250-km-wide rock discovered in 1997 and named after a water nymph in Greek mythology, orbits the sun between Saturn and Uranus, over 1 billion km from Earth. A handout photo released by Nature on March 25, 2014 shows an artistic view of the ring system detected around the Centaur (10199) Chariklo. (Photo by Lucie Maquet /AFP Photo/Nature)

An Indian resident wearing traditional jewellery takes part in a procession celebrating “Gudi Padwa” or the Maharashtrian new year in Mumbai on March 31, 2014. Gudi Padwa is the Hindu new year in the Indian state of Maharashtra and falls on the first day of the month of Chaitra according to the lunar calendar. It is celebrated by dancing and singing with every member of the family wearing new clothes in traditional attire. The day traditionally starts with the cleaning ritual, in which the house is fully cleaned (in case of villages, it is then covered with fresh cow-dung). Women and children draw andpaint intricate rangoli designs using vibrant colors, in keeping with the spirit of the festival, on their doorsteps. (Photo by Indranil Mukherjee/AFP Photo)

A rebel fighter gestures as he runs across a street in Mleha suburb of Damascus, during what the rebel fighters said was an offensive against them by forces loyal to Syria's President Bashar al-Assad, April 2, 2014. (Photo by Bassam Khabieh/Reuters)

Divers check the bow of the vehicle-carrier “Baltic Breeze”, damaged following a collision with a fishing boat, at Vigo's harbour on April 1, 2014. Three fishermen were killed and two were missing after a giant cargo ship crashed into their trawler off northern Spain today, officials said. The Baltic Breeze, a 164-metre (541-foot) vehicle-carrier, collided with the 34-metre Mar de Marin near the Spanish port of Vigo, the local coastguard said. (Photo by Miguel Riopa/AFP Photo)

Guy Deveau of Canada finishes a sand sculpture named “Soviet Union” at the Sand Museum in the Tottori Dune on April 3, 2014 in Tottori, Japan. The 7th annual sand sculpture exhibition hosted by this world's first sand museum, features the theme “Russia” this year as mark to hosted 2014 Winter Olympic Game in Sochi. The exhibition is open to the public from April 19, 2014 to January 4, 2015. (Photo by Buddhika Weerasinghe/Getty Images)

People are seen in the crowd as Serbian Emir Kusturica & The No Smoking Orchestra performs during the third day of the Mexican musicial festival Vive Latino, at the Foro Sol in Mexico City, on March 29, 2014. (Photo by Alfredo Estrella/AFP Photo)

A National Guard member shoots during anti-government protest, in Caracas on March 31, 2014. Since early February at least 39 people have been killed in anti-government protests fueled by anger over soaring crime, hyperinflation and a shortage of basic household goods. The protests have been losing steam in the past weeks, though there are still occasional outbursts of street violence. (Photo by Juan Barreto/AFP Photo)

Travis Hamonic #3 of the New York Islanders is hit into the glass by Nick Bjugstad #27 of the Florida Panthers during the first period at the Nassau Veterans Memorial Coliseum on April 1, 2014 in Uniondale, New York. (Photo by Bruce Bennett/Getty Images)

Turkish riot police use water cannon to disperse protesters outside the Supreme Electoral Council (YSK) in Ankara on April 1, 2014. Turkish police on April 1 deployed water cannon against protesters who alleged vote-rigging in weekend local polls in which the Islamic-rooted party of Premier Recep Tayyip Erdogan claimed sweeping victories. About 2,000 supporters of the main secular opposition party had massed outside the elections authority in the capital Ankara, chanting “Thief Tayyip!” and “Ankara, don't sleep. Stand up for your vote!” (Photo by Adem Altan/AFP Photo)

Nokia employee Raghunath Koduvayur poses for a photo with a new Nokia Lumia 1520 smart phone at the More Lumia media event in San Francisco, California on Wednesday, April 02, 2014. Nokia announced the release of Nokia Lumia models 930, 635, 630 and 630 Dual Sim Smart Phones. (Photo by Josh Edelson/AFP Photo)

A girl reads a book on her balcony as smoke rises from chimneys of a steel plant, on a hazy day in Quzhou, Zhejiang province, on April 3, 2014. (Photo by Reuters/Stringer)

Afghan children look on as they walk in their neighborhood in the Kishindih district of northern Balkh Province on April 3, 2014. Afghans will go to the polls on April 5 to choose a new President. (Photo by Farshad Usyan/AFP Photo)

Russian soldiers jump from their tank during military exercises in the southern Russia's Volgograd region, on April 2, 2014. Russian troops deployed close to the Ukrainian border will return to base after completing their exercises, Foreign Minister Sergei Lavrov said today. NATO said yesterday it had stepped back from a floated idea to reinforce the alliance's military presence in countries bordering Russia, preferring for now to suspend cooperation with Moscow and give more time to talks. (Photo by Andrey Kronberg/AFP Photo)

A man wearing the outfit of iconic movie villain Darth Vader (R), who announced he was running for president as the official candidate of the Ukrainian Internet Party (UIP), meets with Ukrainian soldiers within a protest action in front of the Central Election Commission building in Kiev on April 3, 2014. The Sith Lord, or at least an unnamed protester dressed up as him who has often been seen on Kiev's Independence Square during the winter protests flanked by his loyal Stormtroopers, has been chosen as the official candidate of the Ukrainian Internet Party (UIP) which has become known for its theatrical public stunts. Ukraine is holding a snap presidential election on May 25, 2014 after parliament ousted pro-Moscow leader Viktor Yanukovych following months of protests. (Photo by Sergei Supinsky/AFP Photo)

“Darth Vader”, the leader of the Internet Party of Ukraine, looks at a child in a pram at a street market near the Ukrainian Central Elections Commission in Kiev April 3, 2014. “Darth Vader” has submitted documents to the Ukrainian Central Elections Commission to register as a candidate for Ukraine's May 25 presidential election. (Photo by Shamil Zhumatov/Reuters)

Rescuers carry out search and rescue operation on top of debris of a collapsed residential building in Fenghua, Zhejiang province April 4, 2014. (Photo by Reuters/China Daily)

Racegoers pose for a photo during Ladies Day of the Crabbie's Grand National 2014 Festival at Aintree Racecourse, Liverpool, on April 4, 2014. (Photo by David Davies/PA Wire)

A yellow Ambassador taxi moves past cycle rickshaw pullers sleeping along a roadside in the early morning in Kolkata April 1, 2014. (Photo by Rupak De Chowdhuri/Reuters)

New Zealand's rugby team dance after winning the Hong Kong Sevens rugby tournament in Hong Kong, Sunday, March 30, 2014. New Zealand defeated England in the final. (Photo by Kin Cheung/AP Photo)

A visitor takes a “selfie” with a mobile phone during Sao Paulo Fashion Week April 3, 2014. (Photo by Nacho Doce/Reuters)

Boys with their heads shaven play “Dongjasung”, or little monk, soccer to celebrate upcoming Buddha's birthday on May 6 at a temple on Jeju Island, South Korea, Wednesday, April 2, 2014. The children entered the temple to have an experience of monks' life for 30 days. (Photo by Kim Ho-chun/AP Photo/Yonhap)