In this 2nd installment of a 3-part lecture, Ramon Zürcher delves into the impossible stone structures of Peru and Bolivia, challenging everything we think we know about ancient engineering. How were 50-ton stone blocks cut and transported with such precision—using techniques we can’t even replicate today? These mysterious structures, scattered across South America, predate the Incas by thousands of years. But who built them? What lost technology allowed ancient Egyptians to shape and position stones with laser-like accuracy? And more importantly—why was this knowledge erased from history? Watch Part 1 here:    • Underwater Megalithic Structures & Ad...