Comment: Who knows? There are all sorts of possibilities.

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In reply to comment: OK so it not there. (see in situ)

fireant's picture

Who knows? There are all sorts of possibilities.

I think most people underestimate the power of compressed air in the towers. They were HVAC sealed you know. Obviously heat would be a factor, and I suppose an incredible churning mass of steel might have something to do with it, not to mention the distortions created by the center core when the tops started collapsing. You do know the cores were not completely severed at collapse initiation (most likely, not proven)? One would have to throw in the mix of possible inferior materials. Can't think of any other at the moment.

Undo what Wilson did