Ключевые слова: alternative, architecture, barrier, canal, concrete, construction, depth, electric, electricity, energy, engineering, environment, environmental, floodgate, flow, gateway, generation, generator, green, hydro, hydroelectric, hydropower, industrial, industry, lacquer, natura, open, outdoor, outdoors, plant, power, rescue, reservoir, river, roof, shallow, side, sluicegate, spillway, station, structure, technology, turbine, under, urban, walk, water, waterfall, waterway,