About: http://webisa.webdatacommons.org/444705307

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	Fortifications were mostly walls of timber, earth and stones, palisades and ditches.
http://www.w3.org/ns/prov#wasQuotedFrom	druidry.org