Ключевые слова: america, arizona, barrage, barrier, dam, electric station, electricity, electricity generation, energetics, energy, exteriors, hoover, hoover dam, hydroelectric energy, hydroelectric power plant, hydroelectric power plants, hydroelectricity, natural resource, north america, outdoors, outside, power, power plant, power production, power station, renewable energy, sign, southwest, southwestern, united states, united states of america, usa, water power plant, world locations,