This aerial photo shows reactors of No. 1, right, and No. 2, left, at the Sendai Nuclear Power Station in Satsumasendai, Kagoshima prefecture, southern Japan, Tuesday, Aug. 11, 2015. Kyushu Electric Power Co. said Tuesday, Aug. 11, 2015, it had restarted the No. 1 reactor at its Sendai nuclear plant as planned. The restart marks Japan's return to nuclear energy four-and-half-years after the 2011 meltdowns at the Fukushima Dai-ichi nuclear power plant in northeastern Japan following an earthquake and tsunami.(Kyodo News via AP)