About: http://webisa.webdatacommons.org/431731619

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	On the other hand, from historical maps and other documents that have been preserved, the precise former course of the walls is known.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org