Ключевые слова: america, american, architecture, arizona, blue, bridge, business, canyon, colorado, concrete, dam, desert, electricity, energy, engineering, environment, generation, generator, hill, historic, hydro, hydroelectric, industrial, industry, intake, lake, landmark, landscape, large, las, mountain, national, nevada, north, plant, power, reservoir, river, rock, service, sky, summer, technology, tourism, towers, travel, usa, vegas, water,