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FILE - In this Nov. 12, 2011, file photo, the Unit 4 reactor building of the crippled Fukushima Daiichi nuclear power station is seen through a bus window in Okuma town, north of Tokyo, when the media was allowed into Japan's tsunami-damaged nuclear power plant for the first time. A decade ago, the Fukushima Daiichi nuclear power plant melted down. It looked like a bombed-out factory in a war zone. Emergency workers risked their lives as they battled to keep the crisis in check. Eeriness is no longer there. The feeble-looking plastic hoses mended with tape and the outdoor power switchboard that rats got into, causing blackouts, were replaced with proper equipment. (AP Photo/David Guttenfelder, Pool, File)