Ключевые слова: air, architecture, autumn, blue, bridge, built, cloud, concrete, construction, control, dam, dawn, decline, electric, electricity, energy, engineering, environment, environmental, evening, fuel, generator, horizon, hydro, hydroelectric, hydropower, industrial, industry, lake, landscape, morning, mountain, nature, plant, power, renewable, reservoir, river, russia, sea, siberia, sky, station, structure, technology, turbine, water, yenisei,