This handout picture, taken by Tokyo Electric Power Co (TEPCO) on April 1, 2011 shows workers spraying resin on the ground near the reactor buildings to protect the spread of radioactive substances at TEPCO’s Fukushima Daiichi nuclear power plant at Okuma town in Fukushima prefecture. The plant has been leaking radiation, triggering worldwide concern, as workers continue tense stop-and-go efforts aimed at shutting it down. HANDOUT RESTRICTED TO EDITORIAL USE – MANDATORY CREDIT “AFP PHOTO / HO / TEPCO VIA JIJI PRESS” – NO MARKETING NO ADVERTISING CAMPAIGNS – DISTRIBUTED AS A SERVICE TO CLIENTS