In this Aug. 21, 2013 photo, Tokyo Electric Power Co.'s Executive Vice President Zengo Aizawa bows in apology for a leak of highly radioactive water at the crippled Fukushima nuclear power plant, during a press conference at the company's headquarters in Tokyo. Deep beneath Fukushima's crippled nuclear power station a vast underground reservoir of highly contaminated water that began spilling from the plant's reactors during the 2011 earthquake and tsunami has been creeping slowly toward the sea. (AP Photo/Kyodo News) JAPAN OUT, MANDATORY CREDIT
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