The Tennessee Valley authority demolished a historic smokestack to clear the land for new development.
원문출처 : https://www.cnn.com/videos/us/2020/12/04/tennessee-smokestack-implosion-newsource-orig-vpx.tva
원문출처 : https://www.cnn.com/videos/us/2020/12/04/tennessee-smokestack-implosion-newsource-orig-vpx.tva