20.
Crowds swarm over the Manhattan Bridge to leave Manhattan on the morning of the Sept. 11 attack.
19.
A firefighter runs into the street as the World Trade Center crumbles behind him.
18.
New York Daily News staff photographer David Handschuh takes refuge in a storefront after being injured by falling debris.
17.
A survivor kneels in horror and disbelief outside the World Trade Center.
16.
A vehicle sits on its side amid rubble at the World Trade Center.
15.
A firefighter breaks down during a brief moment of rest.
14.
Civilians take cover as a dust cloud from the collapse of the World Trade Center envelops lower Manhattan.
13.
A man in Seoul watches a multiscreen broadcast of the attack on the World Trade Center.
12.
A firefighter covered with ash is helped toward shelter after the World Trade Center collapse.
11.
President George W. Bush, Vice President Dick Cheney, and National Security Advisor Condoleezza Rice meet in the Emergency Operations Center after the attacks.
