10 historical signs that suggest aliens exist

{}There are historical and celestial anomalies in human history that make us question what we thought we knew about how technology and the stars interacted in the past. The Giza Plateau's unmatched geodetic accuracy and the strange ‘out-of-place’ artefacts like the Antikythera Mechanism are just two examples of unexplained things from around the world. Mainstream academia often says that these kinds of accomplishments are due to lost human creativity, but the fact that these sites are so complicated logistically and mathematically lends credence to the paleocontact hypothesis.