About: http://webisa.webdatacommons.org/45375366

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 each projection screen, a transparent window is formed in the envelope of the airship or balloon, or other flexible material and positioned on the surface opposite the corresponding projection screen.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com