Alexey Kolesnikov of Russia soars during the freestyle motocross games Red Bull FMX Jams in Almaty, Kazakhstan September 16, 2018. REUTERS/Shamil Zhumatov 

Alexey Kolesnikov of Russia soars against moon during the freestyle motocross games Red Bull FMX Jams in Almaty, Kazakhstan September 16, 2018. REUTERS/Shamil Zhumatov 

Roman Mochalkin of Russia soars against moon during the freestyle motocross games Red Bull FMX Jams in Almaty, Kazakhstan September 16, 2018. REUTERS/Shamil Zhumatov 

Alexei Orekhov of Russia soars during the freestyle motocross games Red Bull FMX Jams in Almaty, Kazakhstan September 16, 2018. REUTERS/Shamil Zhumatov 

Alexander Stolyarikhin of Russia performs at the freestyle motocross games Red Bull FMX Jams in Almaty, Kazakhstan September 16, 2018. REUTERS/Shamil Zhumatov 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner 

Riders practice during the launch of Israel's first official motocross course in Wingate Institute, Israel’s National Centre for Physical Education and Sport, near Netanya, Israel February 11, 2016. REUTERS/Baz Ratner TPX IMAGES OF THE DAY 

Spanish rider Dani Torres adjusts his goggles as he prepares to perform a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Maikel Melero performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 2, 2015. REUTERS/Jon Nazca 

Spanish rider Dani Torres performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 2, 2015. REUTERS/Jon Nazca 

Spanish rider Pedro Moreno performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Maikel Melero performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Javi Polo performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Dani Torres performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Dani Torres performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Maikel Melero performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca TPX IMAGES OF THE DAY

Spanish rider Pedro Moreno performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Samuel Calzada performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Maikel Melero performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Dani Torres performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

Spanish rider Dani Torres performs a jump during the Malaga Freestyle motocross show at the Malagueta bullring in Malaga, southern Spain, August 1, 2015. REUTERS/Jon Nazca 

A rider competes in the Red Bull X-Fighters World Tour freestyle motocross games at the Dionyssos Marble Quarry in northern Athens, Greece, June 12, 2015. REUTERS/Alkis Konstantinidis 

A fan cheers on a competing rider during the Red Bull X-Fighters World Tour freestyle motocross games at the Dionyssos Marble Quarry in northern Athens, Greece, June 12, 2015. REUTERS/Alkis Konstantinidis 

A rider competes in the Red Bull X-Fighters World Tour freestyle motocross games at the Dionyssos Marble Quarry in northern Athens, Greece, June 12, 2015. REUTERS/Alkis Konstantinidis 

A rider competes in the Red Bull X-Fighters World Tour freestyle motocross games at the Dionyssos Marble Quarry in northern Athens, Greece, June 12, 2015. REUTERS/Alkis Konstantinidis 

A rider competes in the Red Bull X-Fighters World Tour freestyle motocross games at the Dionyssos Marble Quarry in northern Athens, Greece, June 12, 2015. REUTERS/Alkis Konstantinidis 

A rider competes in the Red Bull X-Fighters World Tour freestyle motocross games at the Dionyssos Marble Quarry in northern Athens, Greece, June 12, 2015. REUTERS/Alkis Konstantinidis 

A rider competes in the Red Bull X-Fighters World Tour freestyle motocross games at the Dionyssos Marble Quarry in northern Athens, Greece, June 12, 2015. REUTERS/Alkis Konstantinidis

TPX IMAGES OF THE DAY

Belgian motorcycle acrobat Gilles Dejon performs during a freestyle motocross demonstration in Algiers, Algeria May 23, 2015. REUTERS/Zohra Bensemra 

Joel Brown of Australia performs during a presentation of the World Extreme Games in Shanghai April 27, 2014. The games will be held in Shanghai from April 30 to May 3. REUTERS/Carlos Barria (CHINA - Tags: SPORT TPX IMAGES OF THE DAY) FOR BEST QUALITY IMAGE ALSO SEE: GF2EA5G046Q01 

A cowboy watches a freestyle motocrosser fly through the air before the start of the 101st Calgary Stampede rodeo in Calgary, Alberta, July 7, 2013. REUTERS/Todd Korol (CANADA - Tags: SPORT SOCIETY) 

Thomas Pages of France competes during the Red Bull X-Fighters World Tours 2013 in Dubai April 12, 2013. REUTERS/Ahmed Jadallah (UNITED ARAB EMIRATES - Tags: SPORT MOTORSPORT) 

Kenya's Ivan Guya riding a KTM competes during the Kenya Motocross Championship at the Jamuhuri race track in Nairobi March 17, 2013. REUTERS/Noor Khamis (KENYA - Tags: SPORT MOTORSPORT) 

Bikers start on sandy beach as they take part in the "Enduropale" motorcycle endurance race on the beach of Le Touquet, northern France, February 3, 2013. About 1,000 motorbikes and 500 quad bike riders descend on Le Touquet every year for the event. REUTERS/Pascal Rossignol (FRANCE - Tags: SPORT MOTOR RACING) 

Kawasaki rider Guillaume Grelaud of France walks after a crash during the 35th Le Mans 24-hours motorcycle endurance race in Le Mans, western France, September 8, 2012. The Kawasaki number 85 is also ridden by Stephane Gaufreteau and Reynald Landreau of France. REUTERS/Stephane Mahe (FRANCE - Tags: SPORT MOTORSPORT TPX IMAGES OF THE DAY) 

Competitors start during MX1 FIM motocross World Championship event in Kegums July 15, 2012. REUTERS/Ints Kalnins (LATVIA - Tags: SPORT MOTORSPORT) 

A member of the audience waves at a rider performing a stunt during the Red Bull X-Fighters freestyle motocross motorbike event at India Gate in New Delhi June 30, 2012. The day-long event organised by a beverage company comprises various daredevil shows. REUTERS/Ahmad Masood (INDIA - Tags: SPORT SOCIETY TPX IMAGES OF THE DAY) 

FMX-13 team pro-rider Alexei Kolesnikov of Russia performs during the Red Bull X-fighters Jams freestyle show dedicated to the Day of the Youth, which is celebrated in Russia, in the Siberian city of Krasnoyarsk June 27, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY SPORT MOTORSPORT) 

FMX-13 team pro-riders Alexei Kolesnikov (L) and Alexei Aisin, both of Russia, perform during the Red Bull X-fighters Jams freestyle show during the Day of the Youth, which is celebrated in Russia, in the Siberian city of Krasnoyarsk June 27, 2012. REUTERS/Ilya Naymushin (RUSSIA - Tags: SOCIETY SPORT MOTORSPORT TPX IMAGES OF THE DAY) 

A motocross rider competes in the Red Bull Hare Scramble race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 10, 2012. Erzberg Rodeo took place from June 7 to June 10. REUTERS/Lisi Niesner (AUSTRIA - Tags: SPORT MOTORSPORT) 

A motocross rider competes in the Red Bull Hare Scramble race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 10, 2012. Erzberg Rodeo took place from June 7 to June 10. REUTERS/Lisi Niesner (AUSTRIA - Tags: SPORT MOTORSPORT) 

Motocross riders wait for the start of the Red Bull Hare Scramble race during Erzberg Rodeo near the village of Eisenerz in the Austrian province of Styria June 10, 2012. Erzberg Rodeo took place from June 7 to June 10. REUTERS/Lisi Niesner (AUSTRIA - Tags: SPORT MOTORSPORT) FOR BEST QUALITY IMAGE SEE GM1EA4U1DE701 

A motocross rider makes his way during the first run of the Iron Road Prologue race of the Erzberg Rodeo near the village of Eisenerz, in the Austrian province of Styria June 8, 2012. Over 1,800 participants took part in the Erzberg Rodeo, an extreme endurance bike race which takes place from June 7 to June 10, 2012. REUTERS/Lisi Niesner (AUSTRIA - Tags: SPORT MOTORSPORT) 

Motorcross riders participate during the Enduro Championship, organised by the Tunisian Motorcycle Club, in Tunis May 20, 2012. REUTERS/Zoubeir Souissi (TUNISIA - Tags: SPORT MOTORSPORT) 

A rider is appears behind a dune as he compete in the "Quaduro" endurance race on the beach of Le Touquet February 4, 2012. About 1100 motorbike and 600 quad bike riders descend on Le Touquet every year for the event. REUTERS/Pascal Rossignol (FRANCE - Tags: SPORT MOTORSPORT) 

A biker competes during the 11th stage of the fourth South American edition of the Dakar Rally 2012 from Arica to Arequipa January 12, 2012. REUTERS/Philippe Desmazes/Pool (PERU - Tags: SPORT MOTORSPORT TPX IMAGES OF THE DAY) 

Street bike freestyler Chris Pfeiffer of Germany performs during an exhibition show with Swiss race car driver Christina Surer (R) at the Red Bull Race Day in Mollis September 17, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT MOTORSPORT) 

FMX rider Ryan Logan of the U.S. performs during an exhibition show at the Red Bull Race Day in Mollis September 17, 2011. REUTERS/Romina Amato (SWITZERLAND - Tags: SPORT MOTORSPORT) 

The covered track is seen before the start of the Red Bull X-Fighters 2011 World Tour freestyle motorcross event at the Poznan soccer stadium in Poznan, western Poland August 6, 2011. Poznan is one of the four Polish venues where next year's EURO 2012 soccer championships will be hosted. Picture taken August 6, 2011. REUTERS/Kacper Pempel (POLAND - Tags: SPORT SOCCER MOTOR RACING)