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A sign recovered from the World Trade Center disaster site sits inside Hangar 17 at New York's John F. Kennedy International Airport June 16, 2011. A program operated by the Port Authority of New York and New Jersey, The World Trade Center steel program, is selecting portions of the steel recovered from the Center and donating it to cities, towns, firehouses and museums around the U.S. and the world who request it for use in 911 memorial sites in time for the 10 year anniversary of the 2001 attacks. Picture taken June 16, 2011. (REUTERS/Mike Segar)

Fragments of 9/11

January 1, 1970

Items recovered from the September 11th, 2001 attack on the World Trade Center