Did our ancestors know the technology? Advanced Technology And Ancient Civilizations On Earth? The A̳n̳c̳i̳e̳n̳t̳s had knowledge that surpass ours? If so, where? By e̳x̳t̳r̳a̳t̳e̳r̳r̳e̳s̳t̳r̳i̳a̳l̳ beings? Or humanity gained this knowledge in antiquity natural evolution? But this means that humanity has lost part of its history?
These are amazing. definitely not from our civilization.