NG Inside: 9-11

13 Sep 2001 --- A U.S. flag is posted in the rubble of the World Trade Center September 13, 2001, in New York. The search for survivors and the recovery of the victims continues since the September 11 attack which involved four commercial airliners, the World Trade Center, the Pentagon, and a crash in Pennsylvania.

USA - YEAREND PICTURES 2001 - With the Brooklyn bridge in the foreground, a plane explodes after hitting the second tower of the World Trade Center as the other tower burns, in New York September 11, 2001. Both towers of the complex collapsed after hijacked planes hit them.