Ключевые слова: architecture, bridges, building, clear, collect, concrete, dam, discharge, drain, electricity, empty, energy, environment, evening, hold, hydroelectric, image, intake, keep, lake, landscape, level, light, manipulation, mead, outdoors, plant, power, rain, release, renewable, reservoir, retain, river, romantic, roof, sky, spillway, spring, sun, sunset, thawing, tower, use, valve, view, water,