karst cave babja jama or babja jama old believer sanctuary (gorenji log, slovenia)

karst cave babja jama old believer sanctuary gorenji log slovenia urspruengliche hohle von oder heiligtum der altglacurren ubigen slowenien hoehle altglaeubigen background design water travel nature art landscape light mountain black earth graphic drawing night adventure stone natural rock yellow tourism ground geology limestone tourist tunnel ancient underground outdoor stalactite cavern stalagmite stalactites stalagmites caves underworld caving formation scenery scene entrance attraction clip dark darkness deep glowing hole outside