Workers carry out a radiation screening on a bus for a media tour at Tokyo Electric Power Co. (TEPCO)'s tsunami-crippled Fukushima Daiichi nuclear power plant in Fukushima prefecture March 6, 2013, ahead of the second-year anniversary of the March 11, 2011 tsunami and earthquake. Members of the media were allowed into the plant on Wednesday ahead of the second-year anniversary of the March 11, 2011 tsunami and earthquake, which triggered the world's worst nuclear crisis since Chernobyl. REUTERS/Issei Kato (JAPAN - Tags: DISASTER ANNIVERSARY ENERGY)