In this June 3, 2011 photo released by Tokyo Electric Power Co., workers try to install a pressure indicator inside the Unit 1 reactor at Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima ... more 
In this June 3, 2011 photo released by Tokyo Electric Power Co., workers try to install a pressure indicator inside the Unit 1 reactor at Fukushima Dai-ichi nuclear power plant in Okuma, Fukushima Prefecture, northern Japan. less 
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Associated Press | Photo By Tokyo Electric Power Co.
Sat, Jun 4, 2011 1:25 AM EDT