About: http://webisa.webdatacommons.org/346765675

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	steel and other structural elements had been when the World Trade Center was whole.
http://www.w3.org/ns/prov#wasQuotedFrom	abovetopsecret.com