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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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