Pumapunku divides the world into two camps: those who see the ancient Bolivian site merely as evidence of a pre-Inca culture – and those who recognize it as stone proof of the existence of extraterrestrials! But why is this complex, of all places, so strongly suspected of having been created by beings who literally do not come from this world? Can the astonishingly precisely crafted monumental structures of Pumpapunka really only have been created with extraterrestrial help – or should we perhaps better admit that we were not as technically superior to our ancestors as we like to claim?