Visitors pay respects to Flight 93 victims in Pa.

A flag hangs on a fence overlooking the crash site of United Flight 93 at the temporary Flight 93 memorial in Shanksville, Pa., Saturday, Sept. 11, 2010. (AP Photo/Gene J. Puskar)

May 2, 2011 7:39:23 AM PDT
The death of 9/11 mastermind Osama bin Laden prompted a handful of visitors to visit the field where Flight 93 plunged into the earth and to pay their respects to the passengers who fought back against terrorists in the skies over Pennsylvania.