Graham Hancock on X: "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
![Reconstructing ancient architecture at Tiwanaku, Bolivia: the potential and promise of 3D printing | Heritage Science | Full Text Reconstructing ancient architecture at Tiwanaku, Bolivia: the potential and promise of 3D printing | Heritage Science | Full Text](https://media.springernature.com/m685/springer-static/image/art%3A10.1186%2Fs40494-018-0231-0/MediaObjects/40494_2018_231_Fig1_HTML.png)
Reconstructing ancient architecture at Tiwanaku, Bolivia: the potential and promise of 3D printing | Heritage Science | Full Text
![Figure 6 from Tiahuanaco monuments ( Tiwanaku / Pumapunku ) in Bolivia are made of geopolymer artificial stones created 1400 years ago | Semantic Scholar Figure 6 from Tiahuanaco monuments ( Tiwanaku / Pumapunku ) in Bolivia are made of geopolymer artificial stones created 1400 years ago | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/ac345e3c5b43be4ed1d9cb9530b5a4a745c250c8/6-Figure6-1.png)
Figure 6 from Tiahuanaco monuments ( Tiwanaku / Pumapunku ) in Bolivia are made of geopolymer artificial stones created 1400 years ago | Semantic Scholar
![Reconstructing ancient architecture at Tiwanaku, Bolivia: the potential and promise of 3D printing | Heritage Science | Full Text Reconstructing ancient architecture at Tiwanaku, Bolivia: the potential and promise of 3D printing | Heritage Science | Full Text](https://media.springernature.com/m685/springer-static/image/art%3A10.1186%2Fs40494-018-0231-0/MediaObjects/40494_2018_231_Fig2_HTML.png)