About: http://webisa.webdatacommons.org/451260221

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	A normal photograph from ground level is often obscured by walls, trees or other buildings and aerial photography from an aeroplane is expensive and only show flat images of roofs and plots
http://www.w3.org/ns/prov#wasQuotedFrom	lislesurplus.com