Ключевые слова: africa, algeria, arc, arch, arid, barren, bizarre, blue, cliff, decay, desert, desolate, drought, dry, dune, environment, erosion, formation, geology, landscape, mountains, nature, parch, park, pillar, red, rocks, sahara, sand, sandstone, scenery, sky, stone, sunny, tadrart, tourism, travel, view, waterless, weathered, wilderness,