About: http://webisa.webdatacommons.org/289999699

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	Others, such as Rome and the Greek cities, had fewer rules; the streets were, in large part, open collector sewers!
http://www.w3.org/ns/prov#wasQuotedFrom	sewerhistory.org