Ключевые слова: age, ancestral, ancient, anthropological, anthropology, archaeology, arms, art, artwork, cave, civilization, cultural, depiction, discovery, drawing, etching, excavation, expression, figure, fossilized, hands, heritage, history, human, indigenous, mural, native, neolithic, ochre, old, outline, painting, past, petroglyph, pictograph, prehistoric, prehistory, primitive, raised, ritual, rock, rock art, silhouette, stone, surface, symbol, textured, traditional, tribal, wall,