An entry in the Red Bull Flugtag Russia 2015 competition. A total of 39 teams took part in Sunday's event in Moscow. They piloted their self-made aircraft which launched, or plunged, into the Grebnoy Chenal by "flying" off a ramp. The contest encourages participants to think outside the box when creating weird and wonderful flying machines. Flugtag means "flight day" in German, and is the brainchild of Red Bull owner Dietrich Mateschitz.