The US government recently declassified films showing some of the 210 atmospheric nuclear tests it conducted between 1945 and 1962.
원문출처 : http://www.cnn.com/videos/us/2017/03/15/declassified-us-nuclear-tests-zworig-mobile.cnn
원문출처 : http://www.cnn.com/videos/us/2017/03/15/declassified-us-nuclear-tests-zworig-mobile.cnn