Pre-Historic Megastructures eBook: https://universeinsideyou.systeme.io/prehistoric-megastructures This almost 500-page eBook includes images and contains over 30 of the most remarkable pre-historic megastructures on the globe. Megastructures that defy any explanation and suggest the use of advanced technology. This documentary on Egypt dives into the mysteries surrounding the construction of the Great Pyramid of Giza, exploring alternative theories that challenge conventional explanations. Could ancient technology beyond our current understanding have been involved? This forbidden archaeology documentary explores the theories of ancient engineering applied to the Egyptian pyramids.