Associated Press
In this Wednesday, March 6, 2013 photo, workers haul a bag of radiation-contaminated leaves during a cleanup operation in the abandoned town of Naraha, just outside the exclusion zone surrounding the Fukushima Dai-ichi nuclear plant in Japan.  Two years after the triple calamities of earthquake, tsunami and nuclear disaster ravaged Japan's northeastern Pacific coast, radioactive and chemical contamination remains a threat. (AP Photo/Greg Baker)

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