Ключевые слова: africa, african, ancient, animals, antelope, archaeological, archeology, art, background, boulder, bushman, bushmans, carve, carving, culture, desert, drawing, drawings, engrave, engraving, giraffe, granite, heritage, hieroglyph, hieroglyphs, historic, history, lion, mountain, mountains, namibia, native, nature, old, prehistoric, rhino, rock, rocks, stone, texture, twyfelfontein, wilderness, wildlife,