Ключевые слова: alpine, alps, autumn, background, beautiful, canton, cold, davos, europe, fluela, forest, grass, graubunden, grisons, high, hiking, holiday, landscape, mountain, national, nature, outdoor, park, pass, peak, road, rock, scenery, scenic, season, sky, stone, swiss, switzerland, tourism, travel, tree, trip, vacation, valley, view, walk, weather,