A participant runs through foam during the Love Foam Run race in Hsinchu, Taiwan May 29, 2016. (Photo by Tyrone Siu/Reuters)

Bedouin breeders fix a robot jockey mounted on a camel before the 18th International Camel Racing festival at the Sarabium desert in Ismailia, Egypt, March 12, 2019. Several Gulf countries have banned child jockeys from the traditional Bedouin sport after rights groups said the youngsters were often injured and some had been abducted or sold by their families. (Photo by Amr Abdallah Dalsh/Reuters)

People watch a competitor riding a homemade vehicle without an engine on a 300-metre-track during the Red Bull Soapbox Race in Amman, Jordan September 4, 2015. (Photo by Muhammad Hamed/Reuters)

Participants take part in the Mud Day race, a 13km obstacle course, on March 24, 2017 in the Israeli Mediterranean coastal city of Tel Aviv. (Photo by Jack Guez/AFP Photo)

Anne Owen and Abigail Owen-Pontez strap into “Elee”, a car made of cutlery from American Airlines during the Everyones Art Car Parade May 14, 2005 in Houston, Texas. The silverware was purchased by Houston artist Mark Bradford when the airline had to convert to plasticware after the September 11, 2001 attacks on the World Trade Center and Pentagon. The parade includes around 280 cars and is part of Art Car Weekend along with a street festival, parade, carnival, ball and other events. (Photo by Dave Einsel/Getty Images)

A drunk racegoer lays on the ground as her friend tries to wake her up during the Emirates Melbourne Cup Day held at Flemington Racecourse in Melbourne Australia, on November 4, 2014. (Photo by Asanka Brendon/Rex Features)

A participant jumps on vintage skis during a traditional historical ski race in the northern Bohemian town of Smrzovka, Czech Republic, February 20, 2016. (Photo by David W. Cerny/Reuters)

David Pena poses for a photograph with his Lada 2101 built in 1979 on a street in Havana February 9, 2015. Getting parts from the United States is cheaper than in Cuba, where state-run stores sell them at four times the cost, said Pena, a mechanic and president of the Russian Car Club in Havana who drives a souped-up, sporty red 1972 Lada 2101 that he fixed himself. His own Lada has a Fiat engine and an extra Alfa Romeo carburetor. (Photo by Enrique De La Osa/Reuters)