Complex life on our planet has existed for at least 400 million years. Yet as a species, we only managed to create an industrial civilization around 300 years ago. But, what if an earlier industrial civilization existed on Earth millions of years ago? If that were so, how would we be able to prove it—or disprove it?

[www.popularmechanics.com]

Hermione
Director/Moderator - The Hall of Ma'at

Rules and Guidelines

hallofmaatforum@proton.me