Ключевые слова: architecture, background, beautiful, blur, cascade, clean, closeup, construction, countryside, croton, dam, danger, day, dike, drop, energy, engineering, environment, environmental, europe, fall, falling, falls, flow, flowing, industry, lake, landscape, motion, natural, nature, nobody, outdoors, overflow, park, river, rural, scene, scenic, scotland, spillway, splash, stream, structure, summer, usa, water, waterfall, weir, winter,