This isn’t an effect. It’s unlikely to be a kite. It could be a balloon, but it seems unaffected by the wind. Probable unknown triangular craft. Graded B.
http://www.youtube.com/watch?v=OOLZ-xkjmUY&feature=player_embeddedStory Source:
http://www.youtube.com/watch?v=OOLZ-xkjmUY&feature=player_embedded