An elderly woman carries boxes for recycling as she walks past a billboard advertisement in Hong Kong on March 17, 2014. One in three people in the city is expected to be 65 years old or above by 2041, threatening to curb economic growth in the major financial hub, the Hong Kong government has warned. (Photo by Anthony Wallace/AFP Photo)

Journalists take shelter behind a tree during clashes between the National Police and anti-government activists protesting against Venezuelan President Nicolas Maduro, in Caracas, on March 20, 2014. Venezuela upped pressure on the opposition Wednesday after weeks of protests, arresting two mayors including one in the town where they started and seeking a probe of a prominent anti-government lawmaker. Authorities said the death toll from the protests rose to at least 30 after a policeman died trying to break up a protest in the western city of San Cristobal, where the demos began February 4. (Photo by Juan Barreto/AFP Photo)

Egyptian riot police eat ice-cream as they take a break from clashes with Muslim Brotherhood students and supporters of ousted president Mohamed Morsi following a demonstration outside Cairo University on March 19, 2014. A 13-year-old boy was killed in clashes between Egyptian police and student supporters of deposed president Mohamed Morsi, state media reported, as protests resumed on campuses nationwide. (Photo by Khaled Desouki/AFP Photo)

A Palestinian man uses a slingshot to throw stones during clashes with Israeli security forces following a weekly protest against the expropriation of Palestinian land by Israel in the village of Kfar Qaddum, near Nablus, in the occupied West Bank on March 21, 2014. (Photo by Jaafar Ashtiyeh/AFP Photo)

Ukrainian border guards run during exercises not far from the Alexeevka check point on the border between Ukraine and Russia, some 120 km from the eastern Ukrainian city of Donetsk on March 21, 2014. Ukraine's interim premier Arseniy Yatsenyuk on Friday called for global economic pressure against Russia to halt its drive to forge “a new world order”. (Photo by Alexander Khudoteply/AFP Photo)

A student from the Benigno “Ninoy” Aquino High School steps on a mural depicting the missing Malaysia Airlines plane Tuesday, March 18, 2014 at their campus at Makati city, east of Manila, Philippines. Officials revealed a new timeline Monday suggesting the final voice transmission from the cockpit of the missing Malaysian plane may have occurred before any of its communications systems were disabled, adding more uncertainty about who aboard might have been to blame. The search for Flight 370, which vanished early March 8 while flying from Kuala Lumpur to Beijing with 239 people on board, has now been expanded deep into the northern and southern hemispheres. (Photo by Bullit Marquez/AP Photo)

U.S. Army Staff Sgt. (Ret.) Melvin Morris, a Vietnam War veteran, waits as U.S. Army Staff Sergeant Christopher Schneider prepares his uniform before heading to the White House, on March 18, 2014. Morris and two others are the only living soldiers who were honored with 21 others Tuesday by President Barack Obama with the Medal of Honor. Following a congressionally mandated review to ensure that eligible recipients were not bypassed due to prejudice, the veterans received the Medal of Honor for action during major combat operations in World War II, the Korean War and the Vietnam War. (Photo by Joe Raedle/Getty Images)

A cosplayer dressed in a fantasy costume stands in front of a poster during the Manga-Comic-Convention at the Leipzig International Book Fair in Leipzig, Germany, on March 15, 2014. (Photo by Jens Meyer/Associated Press)

A devotee enters in a state of trance as he tries to pay his respect to a statue of Khru Sak during the celebration of the annual Tattoo festival at Wat Bang Phra, in Nakhon Pathom, Thailand, on March 15, 2014. Thousands of believers from all over Thailand come to take part in one of the country's most bizarre festivals, about 50 miles outside Bangkok, to pay respect to the temple's monks who are master tattooist. In Thai culture the tattoo is worn as a symbol of spiritual and physical protection, and many believe that the tattoo has mystical powers. (Photo by Omar Havana/Getty Images)

Models prepare to walk the runway at the Ozlem Erkan show during MBFWI presented by American Express Fall/Winter 2014 on March 15, 2014 in Istanbul, Turkey, on March 15, 2014. (Photo by Vittorio Zunino Celotto/Getty Images for IMG)

Russia's U.N. Ambassador Vitaly Churkin, and United States' U.N. Ambassador Samantha Power interact before the U.N. Security Council meeting on the Ukraine crisis, at United Nations headquarters in New York, on March 15, 2014. Russia vetoed a U.N. resolution declaring Sunday's referendum on the future of Ukraine's Crimean Peninsula illegal, but its close ally China abstained in a show of Moscow's isolation. (Photo by John Minchillo/Associated Press)

A female cosplayer with red hair and colored contact lenses looks at the photographer at the Leipzig Book Fair, in Leipzig,Germamy, March 15, 2014. Around 2,000 publishing houses will present their newest publications at the book fair until March 16. Cosplaying is a Japanese costuming trend. (Photo by Hendrik Schmidt/EPA)

Manchester United's manager David Moyes heads a ball during a training session at the club's Carrington training complex in Manchester, northern England March 18, 2014. United are set to play Greek side Olympiakos in the Champions League on Wednesday. (Photo by Phil Noble/Reuters)

Afghan army and police officers move the body of an insurgent from the scene after the Taliban staged an attack on a police station in Jalalabad, eastern Afghanistan, Thursday, March 20, 2014. A suicide car bomber blew up his vehicle near a police station in eastern Afghanistan while other Taliban insurgents stormed the building Thursday, killing nearly a dozen police officers and a civilian, officials said. (Photo by Rahmat Gul/AP Photo)

A protester holds a portrait of Russian President Vladimir Putin during a demonstration organized by a trade union “Solidarity” against the Russian military actions in Crimea, in front of the Russian Consulate General headquarters in Gdansk, Poland, March 15, 2014. (Photo by Adam Warzawa/EPA)

A model presents a creation by Indonesian designer Windri Widiesta Dhari for Nur Zahra during the Mercedes-Benz Fashion Week in Tokyo, Japan, March 19, 2014. The presentation of the Autumn/Winter 2014-15 collections runs from March 17 to 22. (Photo by Tomoyuki Kaya/EPA)

An immigrant receives help from his mates after they managed to jump over the fence at the border in Melilla, the Spanish enclave on the Northern African coast, March 18, 2014. A new massive assault to cross the border has led hundreds onto Spanish territory. Some have received medical attention as they arrived to the local temporary immigrant holding center (CETI) in Melilla after getting injured as they jumped the fence. (Photo by J. Rios/EPA)

A paramilitary policeman demonstrates for officers during a security drill in Urumqi, Xinjiang autonomous region, March 18, 2014. Around 40 ethnic Han, Uighur and Kazak local officers attended the drill on Wednesday. (Photo by Reuters/Stringer)

A devotee in a state of trance is calmed by volunteers during the annual Magic Tattoo Festival at Wat Bang Phra in Nakhon Prathom province March 15, 2014. Believers from across Thailand travel to the monastery to have their bodies adorned with tattoos and to pay their respects to the temple's master tattooist. They believe the tattoos have mystical powers, ward off bad luck and protect them from harm. (Photo by Athit Perawongmetha/Reuters)

Restoration workers peel off loose gold foil as part of a restoration project for an 800-year-old Thousand-Hand Guanyin Buddhist statue on Mount Baoding in Chongqing municipality, March 18, 2014. The stone-carving statue, which takes up about 88 square metres on the mountain, dates back to the Southern Song Dynasty (1127–1279). Officials said the restoration project started in April 18, 2011 and would likely finish in the first half of 2015, local media reported. (Photo by Reuters/Stringer)

Riot police attempt to break open the entrance of the al-Azhar University Campus during clashes with female university students, who are supporters of the Muslim Brotherhood and ousted Egyptian President Mohamed Mursi, in Cairo's Nasr City district, March 19, 2014. The protest was held against the military and interior ministry as students try to block Moustafa al-Nahas street. (Photo by Amr Abdallah Dalsh/Reuters)

Hindu priest Babulal jumps out of a fire to signify the burning of the demon Holika during a ritual to mark the first day of the Holi spring festival, also known as the Festival of Colours, at village Phalen near the northern Indian city of Mathura March 17, 2014. Holi in Phalen starts on the first day of the full moon where a Hindu mythological story will be re-enacted to symbolize the victory of good over evil, according to local media. (Photo by Adnan Abidi/Reuters)

A Palestinian youth throws a stone towards Israeli soldiers as he jumps over burning tyres during clashes that followed a rally to support President Mahmoud Abbas in the West Bank city of Hebron March 17, 2014. Thousands of Palestinians took to the streets on Monday to show their support for Abbas, who is under heavy pressure as he prepares to meet U.S. President Barack Obama. (Photo by Mussa Qawasma/Reuters)

Domenico Rancadore (L) and his wife Anne Skinner cover their faces as they leave after an extradition hearing at Westminster Magistrates Court in central London March 17, 2014. A fugitive Sicilian mafia member arrested in Britain last year after living a quiet, suburban life for two decades will not be extradited back to Italy, a London court ruled on Monday. Domenico Rancadore who came to Britain in 1993, was wanted in Italy after being tried in his absence over Mafia activities from 1987 to 1995 and sentenced to seven years in prison. He assumed the name Marc Skinner whilst living in Britain. (Photo by Olivia Harris/Reuters)

Polish-French film director Roman Polanski stands in a coffin as he takes part in the presentation of the musical “Le Bal des Vampires” (Dance of the Vampires) at the Mogador theater in Paris March 17, 2014. (Photo by Jacky Naegelen/Reuters)

A girl wearing a mask runs as boys splash coloured water on her during “Huranga” at Dauji temple, near the northern Indian city of Mathura March 18, 2014. Huranga is a game played between men and women a day after Holi, the festival of colours, during which men drench women with liquid colours and women tear off the clothes of the men. (Photo by Anindito Mukherjee/Reuters)

Canadian Army Master Corporal Anthony Alliot (L) kisses Sarah Tooth after arriving from Afghanistan, in Ottawa March 18, 2014. Canada's 12-year mission in Afghanistan has formally ended, according to the military. (Photo by Blair Gable/Reuters)

A man carries an injured anti-government protester during a protest against Venezuela's President Nicolas Maduro's government in San Cristobal March 18, 2014. A Venezuela National Guard captain died on Monday after being shot in the head during a demonstration, the military said, the 29th fatality in six weeks of clashes between protesters and security forces. (Photo by Carlos Eduardo/Reuters)

A worker prepares a dragon statue before the season four premiere of the HBO series “Game of Thrones” in New York March 18, 2014. (Photo by Lucas Jackson/Reuters)

People crowd onto a bridge during the annual Caiqiaohui event in Mianyang, Sichuan province, March 18, 2014. People believe that by stepping onto the bridge during the three-day spring event can help them escape tribulations and illnesses. (Photo by Reuters/Stringer)

A Romanian special forces member disembarks from a helicopter to the U.S. Navy guided-missile destroyer USS Truxtun during a joint military drill in the Black Sea, near Bulgaria and Romania, March 19, 2014. The U.S. guided-missile destroyer carried out another round of navy drills in the Black Sea on Wednesday, the latest display of American military power just a few hundred miles away from Russian-annexed Crimea. The USS Truxtun, a warship capable of carrying 96 missiles and torpedoes and equipped with a special radar system, performed exercises in calm waters with fellow NATO members Romania and Bulgaria, following a similar round last week. (Photo by Stoyan Nenov/Reuters)

A Sikh warrior, wearing a huge turban attends the annual fair of “Hola Mohalla” in Anandpur Sahib, in the northern Indian state of Punjab, Monday, March 17, 2014. Believers from various parts of northern India collect at the religious fair to celebrate the festival of Holi in a tradition set by the tenth Sikh guru Guru Gobind Singh in the seventeenth century. Nihangs, or Sikh warriors, display their martial skills and attire during the fair, believed to be maintained in the exact tradition as set by the Guru. (Photo by Altaf Qadri/AP Photo)