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A shaven-headed boy yawns during a lighting ceremony to celebrate Buddha's upcoming birthday on May 14 at the Jogye Temple in Seoul, South Korea, Wedn...

A member of the NATO parachute demonstration team lands during a change of command ceremony at NATO military headquarters in Mons, southern Belgium on...

Republican presidential candidate, Sen. Ted Cruz, R-Texas, walks off the stage following a primary night campaign event, Tuesday, May 3, 2016, in Indi...

An Indian girl wearing her school uniform pulls a rope attached to a bucket as she tries to draw water after a tanker emptied water into a dried up we...

An Indian woman tries to collect drinking water after climbing down a dried up well at Bhakrecha Pada in Thane district in Maharashtra state, India, W...

Brazil's President Dilma Rousseff arrives for a ceremony in Planalto presidential palace to launch an agricultural plan that allocates billions of dol...

Syrian refugees await approval to enter Jordan at the Hadalat reception area on the Syrian-Jordanian border, about 320 kilometers (200 miles) northeas...

New York City Mayor Bill de Blasio listens as Education Chancellor Carmen Farina speaks during a state Senate Education Committee hearing on extending...

Shadows of children are cast on a tent bearing graffiti at the northern Greek border point of Idomeni, Greece, Wednesday, May 4, 2016. European Union...

Law enforcement officials escort Tom Begaye, left, after he made an initial court appearance Wednesday, May 4, 2016, at Farmington Municipal Court in...

Secretary of State John Kerry speaks during the seventh U.S. - E.U. Energy Security Council meeting, during the U.S. Caribbean-Central American Energy...

President Barack Obama acknowledges the crowd after speaking at Northwestern High School in Flint, Mich., Wednesday, May 4, 2016, after hearing first-...

President Barack Obama takes a drink of water after speaking at Northwestern High School in Flint, Mich., Wednesday, May 4, 2016, after hearing first-...

President Barack Obama holds up a glass of water as he drinks after speaking at Flint Northwestern High School in Flint, Mich., Wednesday, May 4, 2016...

President Barack Obama takes a sip of water while he speaks at Northwestern High School in Flint, Mich., Wednesday, May 4, 2016, after hearing first-h...

Democratic presidential candidate Hillary Clinton walks onstage to address the Asian Pacific American Institute for Congressional Studies (APAICS) rec...

Democratic presidential candidate Hillary Clinton addresses the Asian Pacific American Institute for Congressional Studies (APAICS) reception prior to...

Democratic presidential candidate Hillary Clinton addresses the Asian Pacific American Institute for Congressional Studies (APAICS) reception in Washi...

Democratic presidential candidate Hillary Clinton addresses the Asian Pacific American Institute for Congressional Studies (APAICS) reception in Washi...

Democratic presidential candidate Hillary Clinton addresses the Asian Pacific American Institute for Congressional Studies (APAICS) reception prior to...

North Carolina Gov. Pat McCrory pauses while making comments concerning House Bill 2 during a government affairs conference in Raleigh, N.C., Wednesda...

IMAGE DISTRIBUTED FOR FRISKIES - Celebrity cat Nala Cat helps introduce NEW Friskies? Cat Concoctions, a wet cat food that features curious flavor com...

IMAGE DISTRIBUTED FOR FRISKIES - Cat lover, culinary expert and founder of Meow Parlour, the first-ever permanent cat cafe? in New York City, Christin...

IMAGE DISTRIBUTED FOR FRISKIES - Celebrity cats Grumpy Cat, Nala Cat and Waffles help introduce NEW Friskies? Cat Concoctions, a wet cat food that fea...

This Wednesday, May 4, 2016, photo shows a full-scale, hand-painted replica of Cave 275 of China's Cave Temples of Dunhuang on display at the J. Paul...

In this Wednesday, May 4, 2016, photo, Marcia Reed, chief curator of the Getty Research Institute, tours a full-scale, hand-painted replica of Cave 32...

Members of the Alaska Air National Guard's 212th Rescue Squadron participate in a mass casualty training event on Joint Base Elmendorf-Richardson, Ala...

In this Wednesday, May 4, 2016 photo Emma Schambers, 18, of East Greenwich, R.I., wears a prom dress once belonging to her late friend Catherine Malat...

In this Wednesday, May 4, 2016 photo Emma Schambers, 18, of East Greenwich, R.I., wears a prom dress once belonging to her late friend Catherine Malat...

Pope Francis waves upon his arrival at St. Peter's square in the Vatican for his weekly general audience on May 4, 2016. / AFP PHOTO / VINCENZO PINTO

Pope Francis waves upon his arrival at St. Peter's square in the Vatican for his weekly general audience on May 4, 2016. / AFP PHOTO / VINCENZO PINTO

Pope Francis waves upon his arrival at St. Peter's square in the Vatican for his weekly general audience on May 4, 2016. / AFP PHOTO / VINCENZO PINTO

Pope Francis waves upon his arrival at St. Peter's square in the Vatican for his weekly general audience on May 4, 2016. / AFP PHOTO / VINCENZO PINTO

Britain's Labour party candidate for London Mayor Sadiq Khan (C), unveils a poster campaign in Canary Wharf, east London on May 4, 2016, on the eve of...

Britain's Labour party candidate for London Mayor Sadiq Khan speaks to members of the media after unveiling a poster campaign in Canary Wharf, east Lo...

Supporters of Britain's Labour party candidate for London Mayor Sadiq Khan (not pictured), take a "selfie" photograph as Khan unveils a poster campaig...

Polish Foreign Minister Witold Waszczykowski gestures as he waits for a family photo to be taken with ministers and deputies during a meeting of Viseg...

Polish Foreign Minister Witold Waszczykowski (C), Elmar Mammadyarov (L), Minister of Foreign Affairs of Azerbaijan, and Hungarian Foreign Minister Pet...

Britain's Labour party candidate for London Mayor Sadiq Khan (R), canvasses for supporters at a market in London on May 4, 2016, on the eve of the Lon...

Britain's Labour party candidate for London Mayor Sadiq Khan (R) canvasses for supporters at a market in London on May 4, 2016, on the eve of the Lond...

Britain's Labour party candidate for London Mayor Sadiq Khan reacts ashe canvasses for supporters at a market in London on May 4, 2016, on the eve of...

Members of the Jordanian military carry the bag of a Syrian refugee woman on the Jordanian side of the Hadalat border crossing, a military zone east o...

Sadiq Khan, Labour's Candidate for Mayor of London, meets shoppers and traders on East Street Market in Walworth, south east London on the eve of voti...

A Libyan boys poses at al-Asmarya Quranic school on May 4, 2016 in Libya's coastal city of Zliten, some 170 kilometres (100 miles) east of the capital...

Republican presidential candidate Donald Trump, speaks during a campaign stop Monday, May 2, 2016, in South Bend, Ind. (AP Photo/Charles Rex Arbogast)

Republican presidential candidate Donald Trump speaks during a campaign stop Monday, May 2, 2016, in South Bend, Ind. (AP Photo/Charles Rex Arbogast)

Republican presidential candidate Donald Trump speaks during a campaign stop Monday, May 2, 2016, in South Bend, Ind. (AP Photo/Charles Rex Arbogast)

Republican presidential candidate Donald Trump speaks during a campaign stop Monday, May 2, 2016, in South Bend, Ind. (AP Photo/Charles Rex Arbogast)

Republican presidential candidate Sen. Ted Cruz, R-Texas, speaks during a rally at the Indiana State Fairgrounds in Indianapolis, Monday, May 2, 2016....

Republican presidential candidate Donald Trump speaks during a campaign stop Monday, May 2, 2016, in South Bend, Ind. (AP Photo/Charles Rex Arbogast)