Ключевые слова: abstract, architecture, background, barrage, beton, blue, bridge, business, cascade, cement, construction, dam, engineering, environment, fall, flood, flow, flowing, foam, frame, hydro, industry, landscape, low, motion, natural, nature, old, overflowing, power, rapids, reservoir, river, run, rural, rushing, small, spring, stone, stream, summer, sun, technology, texture, tree, water, waterfall, wave, weir, white,