Ключевые слова: abstract, africa, background, barren, desert, desolate, drift, drought, dry, dune, earth, ecology, glow, grains, granular, granules, hot, light, natural, nature, outdoor, particle, pattern, patterned, red, ripple, rippled, sand, sanddunes, sandy, scenic, serene, shadows, silica, solitude, sunshine, texture, textured, undulate, warm, wind,