Ключевые слова: america, arizona, bear, bloom, blooming, cactus, canyon, carnegiea, carnegiea gigantea, cholla, desert, desert vegetation, fall, family cactaceae, flower, four peaks wilderness, hill, landscape, monument, mountain, mountains, national, national park, nature, north america, ocotillo, october, park, pear, phoenix, pima county, plant, prickly, rock formation, saguaro, saguaro cactus, saguaro national park, scenic, setting sun, signal, sonoran, sonoran desert, southwest, summer, sunny, sunset, tonto national forest, usa, wash, wilderness,