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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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Megalithic stone with intricate carving in the complex Puma Punku, Bolivia Stock Photo | Adobe Stock
![Tiahuanaco Monuments (Tiwanaku / Pumapunku), Bolivia are made of geopolymer artificial stones created 1400 years ago. – Geopolymer Institute Tiahuanaco Monuments (Tiwanaku / Pumapunku), Bolivia are made of geopolymer artificial stones created 1400 years ago. – Geopolymer Institute](https://www.geopolymer.org/wp-content/uploads/Tiwanaku-Pumapunku-300x170.jpg)
Tiahuanaco Monuments (Tiwanaku / Pumapunku), Bolivia are made of geopolymer artificial stones created 1400 years ago. – Geopolymer Institute
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