Ancient Aliens - The megalithic site of Puma Punku, dating back to approximately 15,000 years, is an enigma that still puzzles archaeologists and scientists to this day. The stonework is so precise,
Pumapunku - Wikipedia
Puma Punku, Tiwanaku and Lake Titicaca in One Day from La Paz
Puma Punku, Tiwanaku
Tiahuanaco Monuments (Tiwanaku / Pumapunku), Bolivia are made of geopolymer artificial stones created 1400 years ago. – Geopolymer Institute