About: http://webisa.webdatacommons.org/171629033

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	These walls were made of stone and there were works of timbers and towers and other defensive measures built into each city, such as mounds of earth and very deep ditches, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com