In this photo taken Friday, June 17, 2011, released by Accident Investigation Special Committee via Kyodo News, investigators inspect the Fukushima nuclear power plant's Unit 3 reactor building in ... more 
In this photo taken Friday, June 17, 2011, released by Accident Investigation Special Committee via Kyodo News, investigators inspect the Fukushima nuclear power plant's Unit 3 reactor building in Okuma, Fukushima Prefecture, northeastern Japan. The March 11 earthquake and tsunami knocked out power to the nuclear plant, incapacitating its crucial cooling systems and causing three reactor cores to melt. A system to clean massive amounts of contaminated water at the site of Japan's nuclear disaster was shut down Saturday, just hours after it began full operations, because a component filled with radioactivity much more quickly than expected. (AP Photo/Accident Investigation Special Committee via Kyodo News) JAPAN OUT, MANDATORY CREDIT, NO LICENSING IN JAPAN, CHINA, HONG KONG, SOUTH KOREA AND FRANCE less 
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Associated Press | Photo By Accident Investigation Special Committee via Kyodo News
Sat, Jun 18, 2011 6:04 AM EDT