no this was 2001, it was claimed steel sent to china.
the steel left of the Towers.
Unfortunately there wasn't any.
it turned to dust.
It was unconventional.
here's a conventional pancake collapse. You have leftovers. You have layers.
the destruction was done just by taking out beams. But they did explosions at ground level or below. Heard distinctly on TV networks. They used that later as another mis direction; Confuse the Rubes. idea.
Taking out the bottom?
It didn't tip.
It was top down.
That's A LOT of steel.