About: http://webisa.webdatacommons.org/225903710

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	This, of course, only applies to pyramids, tunnels are a completely different matter, but the use of oil lamps is well documented, it is even known that they used them to time their shifts.
http://www.w3.org/ns/prov#wasQuotedFrom	unexplained-mysteries.com