panoramic view of a mountain lake at the koelnbreinspeicher, austria

panoramic view mountain lake koelnbreinspeicher austria reservoir malta valley water scenics nature malta valley reservoir social issues european alps landscape scenery lake austrian culture central eastern alps dam mountain high tauern sustainable resources hohe tauern national park mountain range nature beauty nature national park hiking landscape travel famous place waterfront water#39aph39#s edge travel destinations hohe range tourism reflection wilderness adventure summer europe tranquility majestic beauty idyllic sunlight sky looking view cloudscape carinthia