About: http://webisa.webdatacommons.org/47179056

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 flat arch is a member constructed of stones cut into wedges or other shapes so as to support each other without rising in a curve.
http://www.w3.org/ns/prov#wasQuotedFrom	brainyquote.com