Japanese Emperor Akihito (left) and Empress Michiko speak with evacuees at a center in Tokyo on Wednesday, March 30, 2011. The royal couple visited the shelter to give encouragement to some 300 evacuees from the March 11 earthquake and tsunami, mostly from Fukushima Prefecture, where the troubled Fukushima Dai-ichi nuclear power plant is located. (AP Photo/Issei Kato, Pool)

Photo by: Issei Kato

Japanese Emperor Akihito (left) and Empress Michiko speak with evacuees at a center in Tokyo on Wednesday, March 30, 2011. The royal couple visited the shelter to give encouragement to some 300 evacuees from the March 11 earthquake and tsunami, mostly from Fukushima Prefecture, where the troubled Fukushima Dai-ichi nuclear power plant is located. (AP Photo/Issei Kato, Pool)