Ключевые слова: america, arizona, beautiful, blue, canyon, clay, cliffs, colorful, conglomerate, desert, desolated, drought, dry, east, eroded, erosion, forest, formation, formations, geological, geology, hiking, hot, landscape, lava, layer, mesa, monument, mountain, national, natural, nature, outdoors, painted, park, pastel, petrified, purple, rock, sand, scenic, sediment, southwest, southwestern, tourism, travel, usa, volcanic, western, wood,