Ключевые слова: africa, alamogordo, america, arabia, arabian, arid, beautiful, blue, bright, california, clear, curve, curves, desert, desolate, drought, dry, dune, dunes, global warming, heat, inhospitable, namib, national monument, new mexico, outdoor, pattern, ripple, rippled, sahara, sand, sand dune, sand hill, sanddune, sandpile, sandy, shadow, sky, solitude, southwest, usa, wave, white, white sands, white sands national monument, wilderness,