A British soldier from 3 Commando Brigade looks through the sight of his sniper rifle at Camp Gibraltar February 24, 2003 near Kuwait City, Kuwait. (Photo by Ian Waldie/Getty Images)

Goats climb on students during a yoga class with eight students and five goats at Jenness Farm in Nottingham, New Hampshire, U.S. on May 18, 2017. Tucked away in a wooded corner of southern New Hampshire, Jenness Farm is the latest small U.S. agricultural operation to cash in on the social media-driven trend, in which yoga enthusiasts practice moves like the cat pose and bridge pose while goats climb around and sometimes on them. (Photo by Brian Snyder/Reuters)

A Goat is displayed on a stage for animal breeders and collectors during a rare levant goat auction and exhibition on April, 27, 2018, in Amman, Jordan. Animal breeders participants came from Kuwait, Saudi Arabia, UAE, Qatar and Palestine to bid on rare goats at the Jrdanian breeder Yahya Abu Jaber near the Jordanian capital. (Photo by Salah Malkawi/Getty Images)

Children watch their classmate pour cold water on herself under the watch of a fitness coach at a local kindergarten in Russia's Siberian city of Krasnoyarsk, March 11, 2015. The program, which also involves sports training and sauna usage, has been practiced by the kindergarten for more than 15 years as they believe it has health benefits and keeps the children fit. Children start pouring cold water on themselves outdoors after about three years of training and undergoing medical tests, and the kindergarten is the only one in the region that practices these exercises, according to employees. (Photo by Ilya Naymushin/Reuters)

A Hindu holy man, or sadhu, smokes marijuana in a chillum at the premises of Pashupatinath Temple, ahead of the Shivaratri festival in Kathmandu, Nepal February 15, 2017. (Photo by Navesh Chitrakar/Reuters)

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.