About: http://webisa.webdatacommons.org/204448938

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	I have to draw conclusion that the mass gathering of 125,000 people at Knebworth for the Robbie Williams concert had something to do with the appearance of these objects, particularly as two of them were seen coming from that direction.
http://www.w3.org/ns/prov#wasQuotedFrom	nuforc.org