Elaborate carving in megalithic stone at Puma Punku, part of the Tiwanaku archaeological complex, a UNESCO world heritage site near La Paz, Bolivia. Stock Photo | Adobe Stock
Tiwanaku Puma Punku Tours | Andean Ways
Pumapunku - Wikipedia
Tiahuanaco Monuments (Tiwanaku / Pumapunku), Bolivia are made of geopolymer artificial stones created 1400 years ago. – Geopolymer Institute