Ключевые слова: america, beautiful, blue, bright, canyon, cliff, cloud, clouds, colorful, columbia, desert, destination, environment, erosion, formation, geological, geology, landmark, landscape, majestic, mountain, natural, nature, outdoor, outdoors, park, ravine, recreation, red, remote, reservoir, river, rock, rocky, sandstone, scene, scenery, scenic, sky, summer, sunshine, travel, valley, view, warm, water, waterway, west, wild, wilderness,