Ключевые слова: arch, architecture, blue, built, concrete, conservation, construction, dam, ecology, electric, electricity, energy, engineering, environment, environmental, flow, generating, generation, generator, green, hydro, hydroelectric, hydroelectricity, hydropower, illustration, industrial, industry, lake, landscape, nature, outdoors, plant, power, power plant, production, renewable, reservoir, resource, resources, river, sky, spillway, station, structure, supply, sustainable, technology, turbine, water, waterfall,