Take me away, deer, Russia. The Nenet people of Arctic Russia use reindeer and sledges as a prime mode of transport. The animals’ navigational ability means that in severe conditions they are sometimes the only hope of survival. (Photo by Kamil Nureev/Smithsonian Photo Contest)

An aerial view shows a Russian Troika, a sledge drawn by three horses, competing on the ice-covered Yenisei River during the annual Ice Derby amateur horse race near the Siberian settlement of Novosyolovo, south of Krasnoyarsk, Russia March 17, 2018. (Photo by Ilya Naymushin/Reuters)

MSP Ash Regan and Lexie take part in Holyrood Dog of the Year on June 26, 2023 in Edinburgh, Scotland. At the annual contest, jointly organised by the Kennel Club and Dogs Trust, members of the Scottish Parliament compete with their dogs and Dogs Trust rescue dogs for the title of “Holyrood Dog of the Year”. (Photo by Jeff J. Mitchell/Getty Images)

Children enjoy a sledge ride past ice swimming fans at the Zalew Zegrzynski lake in Nieporet, Poland, Sunday, February 25, 2018. A cold wave hit Poland with the temperature minus 8 degree Celsius (17.6 Fahrenheit) during the day and dropping to minus 16 degree Celsius (3.2 Fahrenheit) in the night in central Poland. (Photo by Alik Keplicz/AP Photo)

A dog owner feeds her dog during a dinner for dogs event ahead of the Lunar New Year at Kong Shan Yunnan Bistro restaurant in Shanghai, China, on January 25, 2025. (Photo by Go Nakamura/Reuters)

A David Cameron look-alike poses with a polar bear model outside the Houses of Parliament as part of a Greenpeace protest on May 13, 2011 in London, England. The environmental charity Greenpeace arranged the protest to highlight the first anniversary of David Cameron’s speech when he pledged to make his new government the greenest ever. In April 2006 Mr Cameron traveled by huskie-drawn sledge when he visited the island of Svalbard in Norway to witness the effects of climate change. (Photo by Oli Scarff/Getty Images)

A dog relaxes in an oxygen capsule “DOGS O2” at the Ownd Cafe on September 13, 2007 in Tokyo, Japan. The capsules come in a variety of sizes available for both dogs and cats for relaxation purposes. (Photo by Koichi Kamoshida/Getty Images)

A dog Prince Dudeman stands on the head of Ryan Thor in the annual Surf City Surf Dog event, at Dog Beach in Huntington Beach, Calif., Saturday, September 25, 2021. (Photo by Ringo H.W. Chiu/AP Photo)