Ключевые слова: aerial, aletsch, alp, alpine, background, blue, clouds, epic, europe, european, forest, glacier, great, green, heritage, high, hiking, italy, lake, landscape, mountain, national, nature, outdoor, pass, peak, rock, scenery, scenic, sightseeing, sky, snowfield, stone, summer, swiss, switzerland, top, tourism, travel, tree, unesco, vacations, valais, valley, view, viewpoint, wallis, water, white, world,