About: http://webisa.webdatacommons.org/339637750

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	I see stuff like that on all kinds of photos taken from underground mining operations.
http://www.w3.org/ns/prov#wasQuotedFrom	topdocumentaryfilms.com