A guided tour of the Walert tunnel, only in the glow of the flames of carbide lamps. A qualified staff will guide you through the old part of the underground exhibition. Duration about 1.5 hours / Start times: 14:00, 15:00 and 16:00 / Price: 15€. Booking and tickets: MNM Rumelange | Special tour with carbide lamps (regiondo.com)