Fort Tre Sassi at Passo di Valparola in the dolomites. Tre Sassi dates back to world war one and is now museum. Europe, Central Europe, Italy

alpine road alps atmospheric central europe dolomite front dolomites eastern alps environment europe falzarego famous figure fort fortification fortress holiday infrastructure italy limestone alps main artery morning mountain museum natural nature pass road road of the dolomites ruin scenic road south tyrol tourism traffic trasnportation tre sassi tyrol unesco unesco world heritage valparola veneto vertical well known world war world war one