Visitors are walking through the main entrance of the Bergtatt mine in Eide, Norway, on January 30, 2024. The Bergtatt mine, an impressive marble mine situated in the county of More og Romsdal, offers guided tours through its subterranean caves. The tour experience features a boat ride on an illuminated underground lake and a concert hall carved into the marble. (Photo by Jorge Mantilla/NurPhoto) (Photo by Jorge Mantilla / NurPhoto / NurPhoto via AFP)