Ben Riesmans 9, 11 Footage ( Enhanced Video Doubled FPS)

06:35 Zooming in on the impact zone at the east face of WTC 1 (North Tower). 09:12 Zooming in closer on the eastface fires inside WTC 1. 15:30 Molten substance flowing down the north face near the northeast corner of WTC 2 (South Tower), emanating between floors 80 and 81. 16:46 Inward bending of perimeter columns at the north and east face progresses further. Top third of the South Tower begins to lean eastward and fall, total collapse starts. 17:03 WTC2 core remnant falls apart. Southern p