**FILE** Workers build temporary housing for tsunami and radiation evacuees in Hirono, just outside the 20-kilometer (12-mile) nuclear exclusion zone around the Fukushima Dai-ichi nuclear plant in northeast Japan, on Feb. 20, 2012. (Associated Press)
Tokyo Electric Power Co. President Masataka Shimizu, (third from right) bows in apology Wednesday to Namie villagers who have been living at an evacuation center in Fukushima prefecture since fleeing their homes, located in a 19-mile zone from the radiation-spewing Fukushima Dai-ichi nuclear plant.
Residents of Iitate village listen Wednesday to their mayor explain a government plan to evacuate residents from the village that is about 24 miles from the radiation-spewing Fukushima Dai-ichi nuclear plant in northeastern Japan. (Kyodo News via Associated Press)
Firefighters are tested for leaked radiation at a fire department at the village of Katsurao which is located within a 20-kilometer (12-mile) radius from the radiation-spewing Fukushima Dai-ichi nuclear plant in northeastern Japan, on Wednesday, April 13, 2011. (AP Photo/Kyodo News)