MOSCOW, RUSSİA - JULY 26: People watch the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: People watch the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: People watch the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: People watch the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)

MOSCOW, RUSSİA - JULY 26: A participant competes in the Red Bull Flugtag Russia 2015 competition in Moscow, Russia, 26 July 2015. A total of 39 teams took part in the event piloting their self-made aircrafts which launched, or plunged, into Grebnoy Chenal in Moscow river by 'flying' off a ramp. (Sefa Karacan - Anadolu Agency)