About: http://webisa.webdatacommons.org/94695563

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 city was surrounded by a wooden wall with 570 towers and 64 gates and a moat that served as both a form of defense and a sewage system.
http://www.w3.org/ns/prov#wasQuotedFrom	ck12.org