Strange beings on Planet Earth Part 1: Elongated Skulls

This video shows that about one to two millennia ago a race of beings lived which had elongated skulls. No, not deformed, but longer, well formed skulls, with more brain mass than humans. They lived in the aristocratic class, and established and ruled civilizations. Did they come to Earth in an effort to lift humanity out of its struggle for survival? Music by Jacotte Chollet