Allyn Kilsheimer, the structural engineer hired by the city of Surfside, Florida, to investigate the collapse of Champlain Towers South, took CNN's Rosa Flores on a tour of sister building Champlain Tours North. Crews pulled samples of concrete for testing to determine whether it was a factor in the south tower's fall.
원문출처 : https://www.cnn.com/videos/us/2021/07/09/surfside-collapse-champlain-towers-north-tour-flores-nr-vpx.cnn
원문출처 : https://www.cnn.com/videos/us/2021/07/09/surfside-collapse-champlain-towers-north-tour-flores-nr-vpx.cnn