1.   Another speaker was New York Daily News photographer David Handschuh, who was injured while running from a collapsing tower.

2.   Cellphone calls from the collapsing towers sang with prayer that helped both the dying and the living meet their fate.

3.   Connelly had lost his left shoe while sprinting away from the collapsing tower.

4.   Levin is particularly worried about a CBS documentary set to air Sunday night that is scheduled to include footage taken inside the collapsing towers.

5.   No matter how much progress is made against terrorism, the image of that plane and those collapsing towers will remain.

6.   Some people narrowly escaped the collapsing towers.

7.   Some dashed into the collapsing towers to pull out people trapped in the chaos and falling debris.

8.   Structural steel streaking from the collapsing south tower punctured it repeatedly, setting fires that burned out of control for more than a day and a half.

9.   The weight of the collapsing towers had crushed them, locking them in an eternal embrace.

10.   Kerik recounts how he and Mayor Rudolph Giuliani fled from debris from the collapsing towers and how some of his security officers narrowly escaped.