South Korea's Shim Sukhee falls in the women's 1,500m short track speed skating heat event during the Pyeongchang 2018 Winter Olympic Games, at the Gangneung Ice Arena in Gangneung on February 17, 2018. (Photo by Mladen Antonov/AFP Photo)

Silver medalist Vivian Jepkemoi Cheruiyot of Kenya and gold medalist Almaz Ayana (R) of Ethiopia during the medal ceremony for the women's 10000m final of the Rio 2016 Olympic Games Athletics, Track and Field events at the Olympic Stadium in Rio de Janeiro, Brazil, 12 August 2016. (Photo by Sergei Ilnitsky/EPA)

Pietro Sighel of Italy crashes during his heat of the men's 1,000-meter during the short track speedskating competition at the 2022 Winter Olympics, Saturday, February 5, 2022, in Beijing. (Photo by David J. Phillip/AP Photo)

Italy's Arianna Valcepina falls during the women's 500 m qualifying race at the ISU Short Track Speed Skating World Cup in Gdansk, Poland, 16 February 2024. (Photo by Adam Warzawa/EPA)

Veterinarians and biologists from the Quito Zoo and the Andean Condor Foundation fit a tracking collar that juvenile Andean bear Tupak will wear for the next four years, prior to his reintroduction into the wild, after the bear's life was deemed in danger due to proximity to humans, in Quito, Ecuador on March 31, 2024. (Photo by Karen Toro/Reuters)

Skeleton involves a person riding a small sled down a frozen track while lying face down. The sport is a more intense form of luge because skeleton competitors leap onto the sled and slide downhill head first. Skeleton athletes can reach up to 80 mph on straightaways, causing forces up to 5g, so the helmet is a critical component for attitude as well as safety.

A woman leaves sauna during the sauna marathon in Otepaa, Estonia on February 2, 2019. Participants have to track down, locate and visit designated saunas in the Otepaa area as fast as possible during the event. The team that completed all of the saunas in the shortest time wins. (Photo by Ints Kalnins/Reuters)

The talent in bubbles unfurled the white Beluga whales living in Shimane Aquarium in Japan.As shown in the picture, have learned to make bubble rings, indicative of high intelligence.Whales blowing air from the mouth to create a stream and immediately after xanafysoun powerfully in the same place so that the bubbles to form a ring.Beluga whales are organized in groups and are social animals. They live in Arctic and sub​​-Arctic and known as "sea canaries" and mimic a wide range of sounds.