As witness to their passage, they left behind mysterious engravings and paintings, like this panel of humans, triangles and zigzags from Ojo Guareña in Spain.
Kao svjedočanstvo njihovog prolaska, ostavili su za sobom tajanstvene ureze i slike, poput ove ploče ljudi, trokuta i cik-cakova iz Ojo Guareñe u Španjolskoj.