Photo taken on Nov. 29, 2016 shows the new protective cover over the destroyed Chernobyl nuclear reactor No.4 at Chernobyl nuclear power plant, 110 kilometers north of the Ukrainian capital of Kiev. Ukraine on Tuesday unveiled a new protective cover over the destroyed Chernobyl nuclear reactor No.4, which would prevent the leakage of the radiation from the unit during the next century. (Xinhua/Chen Junfeng)
