Pyramids --- Human thoughts or Alien Tech Appliance?

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Do you think this Wonder is really pure from human inner-thought or just another Aliens had visited human race and teach to us, and then we just followed their instructions. A debate insisted it was created manual by human, far beyond the architecture is greater than nowadays' architecture. Human that time was forced and the orchestrator were chosen by the King. Because if the failed one, would be facing a punishment from the King like be-headed, etc. Noted how they draw their God, is it real alien cloaking in human body and wearing a mask -- or just their King's or artists' inspirations or imaginations? King had made contact with Alien, who lately they humble as their God? or is it just that time the human race is already too great in civilization's technology and achievements? What do you think of this?