About: http://webisa.webdatacommons.org/437416133

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	Its existence is a puzzle, as the hunter-gatherers who originally inhabited southeast North America left no other known monuments.
http://www.w3.org/ns/prov#wasQuotedFrom	newscientist.com