Ключевые слова: alpine, alps, austria, austria mountains, austrian alps, beautiful, blue, breathtaking, clouds, dam, europe, glacier, green, hiking, hill, lake, landscape, mountain, nature, olperer hutte, outdoor, peak, reservoir, rock, rocky, scenery, scenic, schlegeisspeicher, sky, snow, summer, tirol, tourism, travel, trekking, tyrol, vacation, valley, view, water, wilderness, ziller, zillertal, zillertal alps,