Detailed Analysis of Damage.

• Red line outlines areas of broken-away walls.
• Orange lines show surviving columns.
• Windows, outlined in green, are unbroken, except as indicated by white ovals.
• Section of building that collapsed is bounded by yellow dotted lines.

Columns remanied standing near the center of the "hole", where the densest, longest parts of a 757 would have to penetrate.

Damage pattern has no relationship to profile of 757.