A survivor of the Hiroshima atomic bomb offers a prayer for victims of the world's first atomic bombing at Hiroshima Peace Memorial Park in Hiroshima, western Japan, on August 6, 2012. Paper lantern floats are released into the water during a ceremony for the victims of the atomic bomb in Hiroshima at Ibirapuera park in Sao Paulo, Brazil, on August 5, 2012.

Ceremonies mark 67th anniversary of Hiroshima atomic bomb attack

Top Photo: Kimimasa Mayama / EPA
Bottom Photo: Yasuyoshi Chiba / AFP - Getty Images 

Arata Yamamoto, NBC News reports from Tokyo — As dignitaries from 71 countries joined a crowd of 50,000 on Monday to mark the 67th anniversary of the Hiroshima atomic bomb attack, Japanese officials vowed to revamp energy policies in the wake of the devastating Fukushima nuclear accident.

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