About: http://webisa.webdatacommons.org/65050472

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	Of course, trees, buildings, anti-glider poles and other obstacles
http://www.w3.org/ns/prov#wasQuotedFrom	militaryhistoryonline.com