Visitors are being briefed on the technical details of Norwegian mining during a visit to the Bergtatt mine in Eide, Norway, on January 30, 2024. Bergtatt, an impressive marble mine situated in the county of More og Romsdal near the town of Eide in the western region of Norway, offers guided tours through its subterranean caves. The experience includes a boat ride on an illuminated subterranean lake and a concert hall carved into the marble. (Photo by Jorge Mantilla/NurPhoto) (Photo by Jorge Mantilla / NurPhoto / NurPhoto via AFP)