Ключевые слова: africa, arid, background, barkhan, beautiful, boukkou, boukou, chad, coastline, color, desert, dune, dusk, ennedi, erg, geology, heat, heritage, hill, horizon, lake, landscape, mountain, natural, nature, oasis, orange, ounianga, outdoor, pink, plateau, pond, reflection, rock, sahara, scenery, scenic, serir, shadow, sky, sunny, sunset, tchad, travel, valley, view, water,