About: http://webisa.webdatacommons.org/38007451

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 water enters and leaves the locks by means of gravity only, there are no pumps or other man-made devices that assist in this process.
http://www.w3.org/ns/prov#wasQuotedFrom	maryoblog.com