This is a great video of a terrific night fly demonstration.
Acoording to LiveLeaks.com, These amazing kites are flying over the Caspian Sea in a special performance for the President of Turkmenistan. The delta kites are 17' wingspan kites with Super LED lights and fireworks all controlled by radio control. The diamond kites are 6' wide and 6' high with 100' tails. The kites are two line steerable kites.