Those primate people build some very impressive structures, still standing, with mathematical precision that is marveled even today by experts. Including moving those huge stones into place, that even out modern heavy equipment can not move. And with exact fitting with one another, down to almost a nano measurement.. Evidence of brain operations, and other medical arts, from many ancient cultures. Their astronomy skills were amazing, being aware of distance constellations. And mapping the exact movements of our inner planets. All seemly without an aid of telescopes. Those some ancient glyph & written records, suggest that there were lens devices.
Always wondered why pyramids are discovered in just about anyplace on earth, each with similar basic building styles. With the help of satellites, more are being discovered just about every month. And quite a few under oceans and lakes.