Ключевые слова: architecture, background, beauty, blue, clean, cloud, concrete, dam, diminishing perspective, electricity, environment, equipment, factory, forest, fuel, gate, green, hydroelectric, hydroelectric power, landscape, lanscape, manufactured, mountain, nature, no people, object, outdoor, outdoors, peak, physical pressure, power, reflection, river, rock, rocky mountains, scenics, sky, station, steel, stone, stream, tree, valley, water, waterfall, wilderness area,