About: http://webisa.webdatacommons.org/87193525

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	Without the people who made them possible, including the kings and engineers and whatever that conceived of them as well as the slaves that built them, they would not be there.This is not even a chicken-and-egg problem.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com