About: http://webisa.webdatacommons.org/258728388

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	Trees, rocks, are used as a cover,Although, cover is a concept, it can also refer to an object, i.e. Something which gives the concept of cover There are no trees or rocks on the plain to use as cover
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com