UFO Documentary Film:
“UFOs: The Best Evidence: The Visitors”
(2005) (UFOTV.com)
UFOTV presents the whole documentary:
http://www.youtube.com/watch?v=rR_mg93Tok4
The documentary is produced by UFOTV and directed by Emmy award-winning U.S. investigative journalist George Knapp.
A triangle shaped UFO was filmed over Belgium in 1989
(metacafe.com freeze-frame)