About: http://webisa.webdatacommons.org/378429482

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	Indeed, concrete is a technology, invented by the ancients-and because it is old, we never think of it as miraculous.
http://www.w3.org/ns/prov#wasQuotedFrom	sfsite.com