About: http://webisa.webdatacommons.org/401736409

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	What we see in the picture is a contrail left at an altitude of 33-40,000 feet (10-12 kms) by a turbojet engine(s).
http://www.w3.org/ns/prov#wasQuotedFrom	aulis.com