About: http://webisa.webdatacommons.org/82281735

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	Look at some of the megalithic sites in South America, they contain masonry so precise that after thousands of years the structures are still standing without the use of any sort of concrete or steel, or even mortar in some cases!
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com