view of kölnbrein-staumauer dam and kölnbreinspeicher accumulation lake

accumulation lake alps arch dam architecture austria background beautiful blue carinthia clouds concrete construction electricity engineering environment europe european green high tauern hiking hohe holiday hotel hydroelectric hydropower kacurren rnten kapara lnbrein lnbreinspeicher lnbreinsperre landscape malta valley mountain mountains nature outdoor panorama peak reservoir scenery sky summer tourism travel vacation view water apara sterreich kölnbrein-staumauer kölnbreinspeicher hochalmstraße-kölnbreinsperre berghotel der kölnbreinsperre