Ключевые слова: adaptation, arid, arizona, blue sky, cactus, california, cholla, climate, closeup, creosote, daytime, desert, drought, dry, ecology, environment, eyelevel, ground, hot, landscape, macro, natural defense, nature, north america, resilience, rocky, shrub, southwest, southwest usa, spine, succulent, sunlight, sunlit, survival, teddy bear cholla, texture, thorn, united states, vibrant, wilderness,