| Having studied a level physics, i learnt about the strength of materials, and no way were those fires hot enough to cause the buildings to collapse, as the video says. I've not seen footage of the collapse before, and as soon as I saw it I was thinking it looked suspiciously like a demolition.
As the video explained, if the floors above had to make the floors below collapse from their weight, there would be a minimal pause each time 2 floors collided, slowing down the collapse.
I'm certainly starting to think everything we were told was wrong.
However, that doesn't mean I think its a conspiracy from teh american government. Terrorists *could* have planted explosives, to detonate if the building didn't collapse by itself. Or, concerned the building may collapse themselves, the fire men may have thought to bring the building down deliberately could save lives. Of course something like that would be kept quiet, because although it could have saved more lives, there were still living people inside the building.
It just leads to more and more theories about what actually happened. But one thing's for sure, that building didn't collapse from the impact or the fires afterwards, seeing as the fires were smoking so much they were most probably almost out.
Admittedly I haven't watched the whole video yet, only 30mins in, but I dont have time right now. But they've started repeating themselves now. But from what I have watched, it's certainly started me thinking. | 
