Thousands of people gather to mark the 11th anniversary of the al-Qaida terrorist attacks that killed nearly 3,000 people in the United States.
US Marks Anniversary of September 11 Attacks
9
Forty luminaria are placed at the wall of names in memory of the 40 passengers and crew of United Flight 93 at the Flight 93 National Memorial at sunset on September 10, 2012 in Shanksville, Pennsylvania.
10
A boy runs among flags flying at Pepperdine University in honor of the victims of the September 11, 2001 attacks, Malibu, California, September 10, 2012.