Ключевые слова: abstract, adventure, africa, arc, arch, arid, barkhan, beautiful, beauty, bottomup, bright, chad, colorful, desert, dry, ennedi, erg, fada, forest, formation, geology, heritage, landscape, lookup, mountain, natural, nature, orange, outdoor, pan, panorama, plateau, reg, rock, sahara, sandstone, scenery, scenic, sculpture, shadow, sky, stone, sunny, tchad, travel, unesco, valley, yellow,