Thomas Thwaites, a 34-year-old researcher from London, has spent the past year creating prosthetics that allow him to roam around on all fours like goat.

Waves breaking at Killiney Beach, Co Dublin, Ireland on Sunday, October 20, 2024. (Photo by Stephen Collins/Collins Photos)

Men tackle a bull as they participate in the annual bull-taming sport of Jallikattu played to celebrate the harvest festival of Pongal on January 15, 2023 in Avaniyapuram, near Madurai, India. (Photo by Abhishek Chinnappa/Getty Images)

Three samurai warriors in armour, circa 1880. (Photo by Kusakabe Kimbei). P.S. All pictures are presented in high resolution.

An armed police officer attends an explosive ordnance disposal training on April 12, 2022 in Nanning, Guangxi Zhuang Autonomous Region of China. (Photo by Yu Haiyang/VCG via Getty Images)

Revellers of street parties known as blocos, dance during a protest against restrictions by city officials in Rio de Janeiro, Brazil, Wednesday, April 13, 2022. City Hall has banned the street parties during Carnival celebrations, which were delayed by almost two months due to the pandemic. (Photo by Silvia Izquierdo/AP Photo)

A woman cries near the flowers, brought to the destroyed Amstor shopping mall in Kremenchuk, Ukraine, 28 June 2022. At least 18 people died following Russian airstrikes on the crowded shopping mall, the State Emergency Service (SES) of Ukraine said in a Telegram post. The Amstor shopping center one-story building was hit by Russian rockets on 27 June afternoon. (Photo by Oleg Petrasyuk/EPA/EFE)

A model walks along the Edge observation deck in the city’s Hudson Yards district on World Photography Day in New York on August 19, 2023. (Photo by Lev Radin/Pacific Press/Rex Features/Shutterstock)