Colourful handprints on a rock face, ochre-ink art made by the long-vanished Toldense People, Santa Cruz, Argentina

outdoors day daytime close up detail hand hands rocks history surface details historic unique markings marking handprint argentina ancient civilization historical outside nobody artwork art colourful color image ancient civilizations close up rock handprints no one no people santa cruz ochre ink rio pinturas toldense ochre ink art toldense people