About: http://webisa.webdatacommons.org/432910172

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	Built by the First Emperor of China, 220 ??? 206 BC, the wall, including trenches and other barriers, is estimated to be 5500 miles long.
http://www.w3.org/ns/prov#wasQuotedFrom	autumnreview.com