Ключевые слова: america, arch, architecture, arizona, attraction, boulder, bridge, canyon, colorado, concrete, construction, dam, desert, electric, electricity, energy, engineering, environment, famous, generator, high, hydro, hydroelectric, industry, lake, landmark, landscape, mead, mike, mountain, nature, nevada, outdoors, pat, plant, power, power plant, river, sky, structure, technology, tillman, tourism, tourist, travel, usa, view, water,