natural cauldron and the source area of the river zrmanja (velebit nature park, croatia) - natuerlicher kessel

natural cauldron source area river zrmanja velebit nature park croatia natuerlicher kessel quellgebiet des flusses naturpark kroatien podrucje izvora zrmanje prirode hrvatska landscape water travel beautiful mountain view summer europe dalmatia tourism stone canyon rock adventure vacation outdoor green environment wild scenic flow panorama panoramic limestone stream cliff tree rocky background high beauty karst hiking plant mountains spring attraction ecology european flowing grass countryside colorful hills country geology hill scenery