Ключевые слова: aerial, america, basin, beautiful, beauty, blue, canyon, cliff, colorful, dramatic, erosion, geological, geology, geothermal, grand, grand canyon, green, landmark, landscape, mountains, national, natural, nature, north america, opening, outdoor, overlook, park, popular, river, rocks, scenic, sky, spectacular, states, steam, thermal, thermometer, torrent, travel, united, united states, usa, view, water, waterfall, wyoming, yellow, yellowstone,