About: http://webisa.webdatacommons.org/411899537

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	The September 11, 2001 terrorist attack on the World Trade Center was an extraordinary environmental disaster resulting in an unprecedented combination of physical and emotional trauma.
http://www.w3.org/ns/prov#wasQuotedFrom	cdc.gov