sass de stria, averau, nuvolau and ra gusela mountain peaks in the dolomites

nuvolau averau ra gusela sass stria col di lana passo valparola falzarego giau dolomites dolomiti livinallongo del belluno veneto italy alps alpine mountain peak ridge range rock formation valley tree forest landscape nature scenics scenic scenery beauty view viewpoint travel destinations tourism outdoors vacations hiking hike trekking trek