Ключевые слова: abstract, africa, america, arid, background, beach, beautiful, cleavage, coast, color, colored, curve, desert, detail, dirt, dry, dune, dunes, erosion, grain, landscape, line, modeled, natural, nature, oasis, orange, outdoor, pattern, pink, purple, red, ripple, sahara, sand, sand background, sandy, sea, seashell, stone, structure, summer, surface, texture, textured, trace, vacation, wave, wavy, wind,