AdvertisementU.S. Participates In Hiroshima A-Bomb MemorialAugust 06, 2010NPR Staff and WiresfacebookEmailU.S. Ambassador to Japan John Roos [center left] greets Hiroshima Mayor Tadatoshi Akiba on Friday at Hiroshima's Peace Memorial Park for the 65th anniversary of the world's first atomic bombing in Hiroshima. (AP)
![U.S. Ambassador to Japan John Roos [center left] greets Hiroshima Mayor Tadatoshi Akiba on Friday at Hiroshima's Peace Memorial Park for the 65th anniversary of the world's first atomic bombing in Hiroshima. (AP)](https://media.npr.org/assets/news/2010/08/06/hiroshima-ec1423a795724c3f76ad86d02f8dd87596d70dfc.jpg?s=1000)