Ключевые слова: alternative, aragon, architecture, bony, building, cement, concrete, construction, dam, ecological, ecology, electric, electrical, electricity, energy, engineering, environment, environmental, equipment, floodgate, flowing, gate, generator, high, hydro, hydroelectric, hydropower, industry, innovation, large, mountain, natural, power, production, pyrenees, renewable, renewable resources, reservoir, river, spain, sustainability, sustainable, technology, toilet, turbine, turbines, wall,