Anonymous ID: d4e3f1 Nov. 18, 2018, 4:11 p.m. No.3954834   🗄️.is 🔗kun   >>4838 >>4884

>>3954763 (LB)

The concrete was in the floors. The support was all steel. It was not necessary for anything to be "dustified" for it to collapse.

https://en.wikipedia.org/wiki/Construction_of_the_World_Trade_Center#Design_elements