About: http://webisa.webdatacommons.org/287890241

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 natural resources have been depleted and a lack of metal has resulted in the use of wood, obsidian and bone for weapons, tools and other common equipment - metal objects are rare and expensive.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org