Ключевые слова: alpine, alps, aosta valley, artificial, autumn, autumnal, blue, cloud, cloudscape, dam, energy, environment, europe, fall, forest, hiking, holiday, italy, lake, landscape, leaf, moulin, mountain, mountaineering, natures, orange, outdoor, peak, place moulin, red, river, rock, scenery, scenic, sustainability, switzerland, the needle, travel, tree, trekking, turquoise, valley, valpelline, view, water, wood, wooden,