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Kansai Electric Power Co.'s Ohi nuclear power station is seen behind Japan's national flag displayed on a fishing boat in Ohi Town, Fukui Prefecture, Japan, on Friday, June 1, 2012. Japan's government moved a step closer to resuming nuclear power generation after last year's Fukushima disaster left the country without atomic energy for the first time in more than four decades. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images

Kansai Electric Power Co.'s Ohi nuclear power station is seen behind Japan's national flag displayed on a fishing boat in Ohi Town, Fukui Prefecture, Japan, on Friday, June 1, 2012. Japan's government moved a step closer to resuming nuclear power generation after last year's Fukushima disaster left the country without atomic energy for the first time in more than four decades. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images