Only way to have a building collapse at free fall speed is to first eliminate all internal structural support. This is something the fire & aircraft impact did not do. Even if the floor joints had failed you would still have those enormous central columns poking up to almost full height thru the rubble. Instead they and 3/4ths of the mass of the towers were essentially vaporised. Wonder why.
Also there is Building 7 which was NOT struck by an airplane and yet it ALSO collapsed into its foot print in just the manner that one would expect of a careful demolition.
Also there is Building 7 which was NOT struck by an airplane and yet it ALSO collapsed into its foot print in just the manner that one would expect of a careful demolition.
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