Ключевые слова: activity, alternative, architecture, backgrounds, blue, built, cable, colors, concepts, concrete, dam, electricity, energy, engineering, falling, flowing, fuel, generation, hydroelectric, ideas, image, industry, lake, lines, locations, made, nature, outdoors, pattern, people, power, river, silhouette, sky, spillway, spray, state, station, steel, stream, structure, supply, technology, travel, water, waterfall, wave, winter, wire,