About: http://webisa.webdatacommons.org/393437456

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	We???re not sure when the site was first developed but there is a tantalizing hint in this first photograph, from Google Streetview.
http://www.w3.org/ns/prov#wasQuotedFrom	hiddencityphila.org