The fact that the buildings next to those collapsed buildings which were exposed to the same impact were not demolished, shows that either the design, the implementation or the control stages of these collapsed buildings were broken.
在这些倒塌的建筑旁边,有些受到同样冲击的建筑没有塌陷,这一事实表明了这些倒塌的建筑的设计、实施或控制阶段都有问题。