About: http://webisa.webdatacommons.org/393691428

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	A dam, a stadium, a bridge and an aircraft: Each was a challenge to build, but now that they have reached the end of the line,...
http://www.w3.org/ns/prov#wasQuotedFrom	natgeotv.com