A road block prevents people from entering highly contaminated zone in the evacuated town of Namie in Fukushima prefecture September 13, 2013. Namie's more than 20,000 residents can visit their homes once a month with special permissions but are not allowed to stay overnight inside the exclusion zone. A total of 160,000 people had been forced to leave their homes around Daiichi plant after the government ordered the evacuation following the nuclear disaster in March 2011.  REUTERS/Damir Sagolj (JAPAN)
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