About: http://webisa.webdatacommons.org/42648815

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	Air pollution from the factories was terrible in some areas, such as London.
http://www.w3.org/ns/prov#wasQuotedFrom	conservapedia.com