About: http://webisa.webdatacommons.org/39041809

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 Greeks used no palisades outside city walls, but the Romans regularly used them to strengthen their ditches, especially before gates.
http://www.w3.org/ns/prov#wasQuotedFrom	strangehistory.net