This is the full 2 1/4 hour documentary from the
Architects & Engineers For 9/11 Truth group.
It is a phenomenal, well sourced, no conspiracy just fact, film that is yet to be adequate challenged.
It focuses first of the case of building 7 and the Actions of NIST and the deliberate destruction of evidence that ensued. Than it Shift focus on the twin towers and puts the actual architecture of the buildings in perspective and how the laws of physics would have had to been broken that day to in order for the events that we all saw to take place.
1 video full run time is 2:15:21
It's formatted in chapters so it's easy to pick a point and come back to it later.