About: http://webisa.webdatacommons.org/80792875

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	For example, steps, steep slopes, types of surfaces and if there are gates or other physical barriers.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net