The Pontiac Silverdome was set to be imploded in Detroit, but the charges failed to collapse the building and it remains standing.
원문출처 : http://www.cnn.com/videos/us/2017/12/03/pontiac-silverdome-implosion-attempt-vo.wxyz
원문출처 : http://www.cnn.com/videos/us/2017/12/03/pontiac-silverdome-implosion-attempt-vo.wxyz