Beihei Tunnel, the former military tunnel designed to house equipment and personel is now used as a tourist attraction with free boat rentals to tour the caves

famous place holidaymaker no people attraction belowground boat boat hire boat rental cave countryside deserted empty equipment former free free of charge gear landmark landscape landscape photo landscape shot military nature no one nobody open air place of interest scenery sight sightseeing tour subterranean tour tourism tourist tourist attraction tourist landmark tourist spot travel photography tunnel underground uninhabited used view visit visitor