A special museum exhibition on 9/11 opens in Washington . I guess we were n't really prepared for how small the bits would be , '' according to Liebhold . ` The exhibit includes debris from United Flight 93 , which crashed after midnight . Going through debris from the crash was ` ` " , '' a museum curator says .
A special museum exhibition on 9/11 opens in Washington . The exhibit includes debris from United Flight 93 , which crashed after midnight . Going through debris from the crash was ` ` " , '' a museum curator says .