Ключевые слова: america, background, chihuahuan, clouds, desert, dry, dune, flower, gypsum, gypsum sand, landscape, natural, nature, nature landscape, outdoors, palmella, perennial, plant, ridge, rippled, ripples, sand, sand dune, sandy, sky, southwest, southwestern, usa, white, white sand, yucca, yucca elata, yucca flower,