Ключевые слова: alternative, architecture, building, business, concept, concrete, construction, dam, electric, electricity, energy, engineering, environment, environmental, factory, floodgates, fuel, galicia, generation, generator, hydro, hydroelectric, hydroelectricity, hydropower, illustration, industrial, industry, lake, landscape, nature, os peares, plant, power, renewable, reservoir, ribeira sacra, river, sil river, spain, station, structure, supply, technology, turbine, water,