This image taken January 6, 2026 shows the entrance to the Norwegian Meteorological Institute in Oslo, Noway. SNOe is Norway's first indoor ski arena, opened in January 2020 in Loerenskog, just outside Oslo. One of Europe's largest indoor snow facilities, it offers between 36,000 and 50,000 square meters of snow. The slopes run year round, independent of weather or season. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)

Former Norwegian biathlon star Johannes Thingnes Boe poses for a picture at his home on January 5, 2026 in Kongsvinger, Norway. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)

Former Norwegian biathlon star Johannes Thingnes Boe poses for a picture at his home on January 5, 2026 in Kongsvinger, Norway. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)

People ski inside the SNOe indoor skiing arena on January 5, 2026, in Loerenskog, near Oslo, Norway. SNOe is Norway's first indoor ski arena, opened in January 2020 in Loerenskog, just outside Oslo. One of Europe's largest indoor snow facilities, it offers between 36,000 and 50,000 square meters of snow. The slopes run year round, independent of weather or season. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)

Former Norwegian biathlon star Johannes Thingnes Boe poses for a picture at his home on January 5, 2026 in Kongsvinger, Norway. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)

A man watches as people ski inside the SNOe indoor skiing arena on January 5, 2026, in Loerenskog, near Oslo, Norway. SNOe is Norway's first indoor ski arena, opened in January 2020 in Loerenskog, just outside Oslo. One of Europe's largest indoor snow facilities, it offers between 36,000 and 50,000 square meters of snow. The slopes run year round, independent of weather or season. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)

Ole Marius Moen, a researcher at SINTEF, is pictured on January 7 in Trondheim, Norway. SINTEF, Stiftelsen for industriell og teknisk forskning, is one of Europe's largest independent research organisations, headquartered in Trondheim, Norway. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)

The exterior of the SNOe indoor skiing arena is pictured on January 5, 2026, in Loerenskog, near Oslo, Norway. SNOe is Norway's first indoor ski arena, opened in January 2020 in Loerenskog, just outside Oslo. One of Europe's largest indoor snow facilities, it offers between 36,000 and 50,000 square meters of snow. The slopes run year round, independent of weather or season. (Photo by Jonathan NACKSTRAND / AFP via Getty Images)