https://www.youtube.com/watch?v=uHiG8lMIF10
Critiquing every episode of Ancient Apocalypse, by Stefan Milo https://www.youtube.com/watch?v=341Lv8JLLV4
If humanity has made the climb from the stone age to the space age more than once, then various power structures just might try to suppress or forbid such knowledge. Ice ages, deep impacts or even nuclear wars might have cleared various advanced civilizations several times on a planet that's over 4.5 billion years old.
America Before: The Key to Earth’s Lost Civilisation, by Graham Hancock https://www.youtube.com/watch?v=GAccZ8eWhXo , https://www.youtube.com/@grahamhancock/videos
