Ключевые слова: air, alp, alpine, background, bath, beautiful, blue, cables, clouds, electric, electricity, energy, environment, europe, field, grass, grassland, green, hiking, industrial, landscape, leisure, line, meadow, mountain, mountains, national, nature, panorama, peak, picturesque, power, powerline, pylon, quiet, scenery, scenic, sky, summer, sunny, supply, swiss, switzerland, tourism, transmission, travel, vacation, valley, view, voltage,