The National Park Service and the Interior Department hosted an opening ceremony Thursday, Sept. 10, 2015, for the Flight 93 National Memorial near Shanksvill...
A view from the walkway at the Flight 93 National Memorial. (Tami A. Heilemann NPS)
The National Park Service and the Interior Department hosted an opening ceremony Thursday, Sept. 10, 2015, for the Flight 93 National Memorial near Shanksville, Pennsylvania.