Sept 11 Flight 93 Shanksville

September 9, 2011 - 2:45 PM
Visitors gather at the Flight 93 temporary memorial Thursday Sept. 8, 2011, in Shanksville, Pa. near the site of the crash of United Flight 93 on Sept. 11, 2001. Sunday will mark the tenth anniversary of the attacks of Sept. 11, 2001. (AP Photo/Jacqueline Larma)