Lava flows as volcano continues to erupt on the Canary island of La Palma, Spain, Monday, November 29, 2021. Several new volcanic vents opened in La Palma on Sunday, releasing new lava that flowed fast down a ridge and threatened to widen the impact on evacuated land, infrastructure and homes. (Photo by Emilio Morenatti/AP Photo)

Members of the U.S. Army's Golden Knights parachute team perform during the Bethpage Air Show as part of a Memorial Day event at Jones Beach on Long Island, New York, U.S., May 25, 2019. (Photo by Johnny Milano/Reuters)

Garrett Gerloff (L) of the USA GRT Yamaha WorldSBK Junior Team and Sandro Cortese (R) of Germany on OUTDO Kawasaki TPR colide during a warm up session of the the World Superbike Championship on Phillip Island, Victoria, Australia, 01 March 2020. (Photo by Scott Barbour/EPA/EFE)

Female dancers line up before they perform during the opening of Bali Arts Festival in Bali, Indonesia, Sunday, June 18, 2023. The island of Bali is currently holding a month-long annual Bali Arts Festival from June 18 until July 16. (Photo by Firdia Lisnawati/AP Photo)

Red-crowned cranes, dancing gracefully in the snowy fields, spread their wings and perform a “courtship dance” at the feeding area of the ”Tsurui Ito Red-crowned Crane Sanctuary” in the village of Tsurui, in Japan's northern island of Hokkaido on February 15, 2025. (Photo by JIJI Press/AFP Photo)

In this photo provided by Janice Wei, a fountain of lava spews from an eruption of Kilauea volcano in Hawaii Volcanoes National Park on the Big Island of Hawaii, on Monday, February 3, 2025. (Photo by Janice Wei/NPS via AP Photo)

Models showcase designs aboard fishing boats off Ngor Island during the 23rd Dakar Fashion Week, organized by Senegalese-French designer Adama N'Diaye, founder of the brand “Adama Paris”, on December 6, 2025, in Dakar, Senegal. (Photo by Cem Ozdel/Anadolu via Getty Images)

The world’s largest public sauna has opened on a small island in the Arctic Circle and there’s room for you and about 100 of your closest mates.