Ключевые слова: aerial, alpine, architecture, background, beautiful, blue, building, concrete, construction, dam, electricity, energy, engineering, flowing, forest, generation, green, hydro, hydroelectric, industrial, lake, landmark, landscape, mountain, nature, outdoor, panorama, plant, power, reservoir, river, road, rock, scenery, scenic, sky, station, structure, summer, swiss, switzerland, technology, tourism, travel, turbine, valley, view, wall, water,