In this Monday, February 20, 2012 file photo a child goes to receive food distributed by a charity organization in Athens. (Photo by Petros Giannakouris/AP Photo)

A girl walks past Star Wars' Stormtroopers posing in an appearance for a campaign celebrating “Star Wars Day” at a toy shop in Tokyo, Japan, May 4, 2015. May fourth is commemorated for “May the Force be with you”, the famous words in the movie. (Photo by Kimimasa Mayama/EPA)

A U.S. serviceman speaks to a boy inside an armored combat vehicle in Ploiesti, Romania, Wednesday, May 13, 2015. (Photo by Vadim Ghirda/AP Photo)

Children cheer while watching a magic show at a Mother's Day-themed disco dance party for children in Beijing, Sunday, May 10, 2015. Although not an official holiday, observance of Mother's Day is growing in China, a society that traditionally values filial piety. (Photo by Mark Schiefelbein/AP Photo)

Nepalese child Subha Laxini, 3, who was injured in Tuesday's earthquake is carried by father Lak Bahadur on their way to a camp for the displaced in Chautara, Nepal, Wednesday, May 13, 2015. Nepal, just beginning to rebuild after a devastating April 25 earthquake, was hit by a magnitude 7.3 quake Tuesday. (Photo by Bernat Amangue/AP Photo)

Migrants believed to be Rohingya take their breakfast inside a shelter after being rescued from boats at Lhoksukon, in Indonesia's Aceh Province May 12, 2015. Thailand and Malaysia may set up camps and detention centers to shelter hundreds of refugees arriving on their shores, officials said on Tuesday, as a leading inter-governmental agency said about 7,000 boatpeople were still adrift in the Bay of Bengal. (Photo by Roni Bintang/Reuters)

Young boys jumps from one concrete drainage pipe to another in a park in Katlehong, south of Johannesburg, South Africa, Wednesday, May 6, 2015. (Photo by Themba Hadebe/AP Photo)

A girl weeps after she was evacuated safely from the scene of an altercation involving the police, in northern Macedonian town of Kumanovo, on Saturday, May 9, 2015. Authorities in Macedonia say police have clashed with an armed terrorist group in this northern Macedonian town, and parts of the town have been sealed off. Macedonia's state-run news agency MIA reported that four police officers were injured by gunfire, and three of them were taken to a hospital in the capital, Skopje. (Photo by Visar Kryeziu/AP Photo)

A boy sits next to a Crayon Shin-chan model during an exhibition at Joy City in Beijing May 5, 2015. (Photo by Jason Lee/Reuters)

A group of kids play in Kfar Halab train station in the western countryside of Aleppo May 4, 2015. The station is out of service since nearly three years due to the conflict in the country and it is now the housing to about 40 displaced families, activists said. (Photo by Hamid Khatib/Reuters)

Children react after what activists said was shelling by forces loyal to Syria's President Bashar al-Assad near the Syrian Arab Red Crescent center in the Douma neighborhood of Damascus May 6, 2015. (Photo by Bassam Khabieh/Reuters)

A child plays in a church in Buye a rural town north of capital Bujumbura, Burundi in this picture taken May 1, 2015. (Photo by Edmund Blair/Reuters)

A boy dressed in a replica of the Red Army soldier uniform stands with the members of the Russian motorcycle group called Night Wolves ride near the German-Russian museum Berlin-Karlshorst in Berlin, Germany, May 8, 2015. Members of the Night Wolves, a motorcycle group blacklisted by the United States for taking part in Russia's annexation of Crimea, and supporters are taking part in a bike ride from Moscow to Berlin, commemorating the end of World War Two. (Photo by Hannibal Hanschke/Reuters)

Somali refugees run from their makeshift shelter at the Ifo camp in Dadaab near the Kenya-Somalia border, May 8, 2015. (Photo by Thomas Mukoya/Reuters)

Kids wearing dress styled as Soviet army's uniform with attached St. George's Ribbons play in a park during Victory Day commemorations in Almaty, Kazakhstan, May 9, 2015. Kazakhstan marks the 70th anniversary of the World War Two victory. (Photo by Shamil Zhumatov/Reuters)

Children wait for their mother at a street market in Mare slum in Rio de Janeiro May 9, 2015. (Photo by Pilar Olivares/Reuters)

Children play in the garden of their kindergarten run by a private foundation which is not affected by the nursery caretakers' strike in Hanau, 30km south of Frankfurt, Germany, May 11, 2015. Most of the kindergartens run by public services all over Germany face a strike of the nursery caretakers as they fight for higher wages and better working conditions. (Photo by Kai Pfaffenbach/Reuters)

A girl sleeps as her family members play cards inside a small shop in Tongcheng, Anhui province, China, May 13, 2015. (Photo by Reuters/Stringer)

A Russian girl rushes toward her grandmother, to take some flowers to be laid on the nearby thumbs, during a commemoration ceremony for the Russian soldiers that were killed 70 years ago during WWII, in Bucharest, Romania, 08 May 2015. (Photo by Robert Ghement/EPA)

Young Filipinos paddle next to secured boats awaiting the arrival of typhoon Noul in Navotas city, north of Manila, Philippines, 10 May 2015. A strong typhoon barrelled into the north-eastern Philippines, ripping off rooves and forcing thousands of people to flee their homes, disaster relief officials said. Typhoon Noul has sustained winds of 185 kilometres per hour and gusts of up to 220 kph as it made landfall over the northeastern province of Cagayan, the weather bureau said, adding, the storm was moving north-west at a slower pace of 17 kph and is set to bring heavy rains over more than 12 provinces. (Photo by Ritchie B. Tongo/EPA)

In this April 6, 2015 photo, Jean Michelle Gina Nancy holds the chair as she plays with her friend Pierre Catherina, both four-years-old, at the entrance of their room at the Mercy & Sharing residential center in the community of Williamson, Arcahaie, Haiti. Both girls were abandoned by their families at a government hospital before their first birthdays. (Photo by Dieu Nalio Chery/AP Photo)

A girl waits for her turn to fill buckets with water from a public tap amid an acute shortage of water, in Sanaa, Yemen, Saturday, May 9, 2015. (Photo by Hani Mohammed/AP Photo)

A child aims a toy weapon outside a shopping mall in Ploiesti, Romania, Wednesday, May 13, 2015. Members of the US military took part in an exercise dubbed the Cavalry March, a drive from southern Romania to a training range in the central region of Transylvania, involving 400 servicemen and 80 armored combat vehicles. (Photo by Vadim Ghirda/AP Photo)

Children of Indian labourers use various containers to carry water from a distribution point in Amritsar on May 12, 2015. (Photo by Narinder Nanu/AFP Photo)

Texas Rangers' Josh Hamilton signs his autograph on the of back 6-month-old Drew Hooker as his mother Melissa holds him before a baseball game against the Nashville Sounds, Monday, May 11, 2015, in Nashville, Tenn. Hamilton is playing for the Round Rock Express AAA minor league baseball team before rejoining the Rangers after a rehab stint. (Photo by Mark Zaleski/AP Photo)

The Bototo Yetu dance company performs at City College Center for the Arts 2015 CCCA Awards at Aaron Davis Hall on Monday, May 4, 2015, in New York. (Photo by Matt Peyton/Invision for City College Center For the Arts/AP Images)

Eight year old Nepalese child Nisan reacts as he plays with Japanese doctor Mazaki Miyazaki in a tent camp in Kathmandu on May 5, 2015, which was set up for people that were left homeless after their houses were destroyed on the April 25 deadly earthquake that killed over 7,300 people and left tens of thousands homeless. Miyazaki and other members of the Joint Disaster Relief Medical support unit of the Japanese Defence Forces were waiting to set up their day clinic at the camp. (Photo by Roberto Schmidt/AFP Photo)

Yemeni children sweep the pavement littered with rubbish as garbage trucks hardly run due to an acute shortage of fuel in the capital Sanaa, on May 4, 2015. (Photo by Mohammed Huwais/AFP Photo)

First grader Rydge Tibbett walks around wearing a pith helmet with a rose-haired tarantula on it at a presentation on the unusual powers of exotic animals in Marshfield, Wisc., Thursday, April 30, 2015. (Photo by Dan Young/AP Photo/The Marshfield News-Herald)

Nepalese earthquake survivor boys play with their plates as they line up during a food distribution in Kathmandu, Nepal, 13 May 2015. (Photo by Mast Irham/EPA)