![Graham Hancock on Twitter: "The giant megaliths of Puma Punku bear witness to an immense task carried out in remote antiquity by unknown hands at an altitude of almost 13,000 feet above Graham Hancock on Twitter: "The giant megaliths of Puma Punku bear witness to an immense task carried out in remote antiquity by unknown hands at an altitude of almost 13,000 feet above](https://pbs.twimg.com/media/FCZsm-8XMAIk5hD.jpg:large)
Graham Hancock on Twitter: "The giant megaliths of Puma Punku bear witness to an immense task carried out in remote antiquity by unknown hands at an altitude of almost 13,000 feet above
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Tiahuanaco Monuments (Tiwanaku / Pumapunku), Bolivia are made of geopolymer artificial stones created 1400 years ago. – Geopolymer Institute
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Ancient genomes reveal long-range influence of the pre-Columbian culture and site of Tiwanaku | Science Advances
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