About: http://webisa.webdatacommons.org/52431556

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	They may be straight edges, such as square, rectangular, parterre, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	tipsandsteps.com