About: http://webisa.webdatacommons.org/86472072

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	Two factors especially are pertinent to the creation of a ??masked?? civilization that bears on the question of what has happened.
http://www.w3.org/ns/prov#wasQuotedFrom	therealpresence.org