Stefan Dobrovolny of Austria and Inigo Munoz Elorza of Spain (R) stand in front of a quad bike during a simulated Mars mission on Tyrolean glaciers in Kaunertal, Austria, August 7, 2015. The Austrian Space Forum is sending some of its researchers to practice weight-less walking in spacesuits on a glacier which resembles the terrain on Mars. (Photo by Dominic Ebenbichler/Reuters)

People take part in the Classic Ride Rally in downtown Valencia, eastern Spain, 23 November 2014. Some hundred people on classic bikes from the 20's to the 70's participated in the rally. (Photo by Kai Foersterling/EPA)

Naked riders seen participating during the World Naked Bike Ride to demonstrate the vulnerability of cyclists on city streets in London, United Kingdom on June 9, 2018. People chose to ride naked to celebrate cycling and body freedom. (Photo by Brais G. Rouco/SOPA Images/LightRocket via Getty Images)

A bicyclist with a bike painting on her face rides past the Museum of the Future, in Dubai, United Arab Emirates, Sunday, November 6, 2022. Thousands of people take part in annual Dubai Ride on the skyscraper-lined super highway that cuts through the center of the city. (Photo by Kamran Jebreili/AP Photo)

A motorcycle-taxi driver takes a nap while leaning on his bike along a street in Bangkok, Thailand on February 17, 2019. (Photo by Jewel Samad/AFP Photo)

Green Bay Packers' Johnathan Calvin rides a bike to NFL football training camp on July 27, 2017, in Green Bay, Wis. (Photo by Morry Gash/AP Photo)

A boy with his bike is seen as rainbow appears after a rainfall in Edremit district of Van province in Turkey on July 08, 2020. (Photo by Ozkan Bilgin/Anadolu Agency via Getty Images)

A man on a bike takes a picture of an armoured vehicle riding on a street during a protest against the military coup, in Yangon, Myanmar, February 14, 2021. (Photo by Reuters/Stringer)