krakow gate geological formation in ojcow near krakow, poland

poland krakow gate brama krakowska limestone rock jurassic polish travel destination krakowczestochowa upland tourist attraction tourism ojcow narrow passage ravine gorge europe stone scenic contrast light lesser national park rocky geology geological formation jura tree path summer footpath landscape sightseeing valley cycle bike krakow-czestochowa high steep rocks popular poland upland Ojców Krakow Kraków