All over the world there are ancient megalithic structures that are fit together so perfectly they didn't require mortar. Polygonal walls that can withstand earthquakes couldn't have been made with the tools at the time. Stones so large and oddly shaped that it would have been incredibly difficult and so time consuming to maneuver into place by primitive man. Primitive man found these ancient structures and build on top of them or carved designs into existing sites. Here you have the fine stone work with the primitive stone work built on top. Megaliths in Peru: https://megalithicmarvels.com/2017/...alithic-engineers-predated-the-inca-builders/ http://www.megaliths.org/browse/category/3 The megalithic stone blocks of baalbek Artifacts in Egypt couldn't have been made by the ancient Egyptians. Brien Foerster's youtube channel has a ton of videos from all over the world. This guy as well: The question is, what destroyed them so badly and where's the rest of the structures? I think these sites date back to 15-20 thousand years ago according to our dating system. The cataclysmic event necessary would have devastated the whole planet. Discuss!