Ключевые слова: american, arid, arizona, beautiful, blue, cacti, cactus, california, carnegiea, color, desert, detail, dry, endangered, forest, green, hot, landscape, lots, many, mexico, mountain, national, nature, new, oasis, old, park, pattern, plant, plants, ray, rocks, saguaro, several, sky, sonora, southwest, southwestern, spine, spines, states, summer, sun, thorns, tourism, travel, tree, tucson, united, usa, vacation, warm, west, wild,