About: http://webisa.webdatacommons.org/117373996

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 qanat system has the advantage of being resistant to natural disasters such as earthquakes and floods, and to deliberate destruction in war.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org