About: http://webisa.webdatacommons.org/246330405

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	They are laid out in structures resembling pyramids, roads and other structures at more than 2,000 feet in a 7-3/4 mile-square area.
http://www.w3.org/ns/prov#wasQuotedFrom	freerepublic.com