U.S. President Barack Obama hugs Shigeaki Mori, an atomic bomb survivor; creator of the memorial for American WWII POWs killed at Hiroshima, during a ceremony at Hiroshima Peace Memorial Park in Hiroshima, western Japan, Friday, May 27, 2016. Obama on Friday became the first sitting U.S. president to visit the site of the world's first atomic bomb attack, bringing global attention both to survivors and to his unfulfilled vision of a world without nuclear weapons. (ANSA/AP Photo Carolyn Kaster) [CopyrightNotice: Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu]
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