Ключевые слова: abstract, ancient, animal, archaeology, archeology, art, canyon, carved, carving, cave, civilization, cliff, communication, communiction, culture, decoration, desert, designs, drawing, ethnic, geology, graphic, historic, human, indigenous, nykoping, old, outdoors, painting, pattern, peoples, petroglyph, petroglyphs, petrogram, pictoglyph, pictogram engraving, pictograph, pictographs, prehistoric, primitive, rock, rock art, rock carving, rock engravings, sign, stone, sweden, symbol, symbols,