Ключевые слова: adventure, alpine, alps, altitude, beautiful, blue, cermat, clouds, environment, europe, gasenried, glacier, high, hike, hiking, ice, lake, landscape, matternhorn, mountain, mountain range, mountains, natural, nature, outdoor, outdoors, panorama, rock, scenery, scenic, sky, snow, summer, sunny, swiss, switzerland, tourism, travel, valley, view, wallis, water, wilderness, zmuttbach,