Today's question comes from Nayeli Carpenter She asks about lost civilizations: pyramid builds, Egyptians, Mayans, Incans, especially the ones where cultures disappeared mysteriously. I'm going to confine this question to everyone's favorite historical conspiracy theory—that Egypt's pyramids were so advanced and contained hidden astronomical secrets that only an advanced civilization (coughcoughalienscoughcough) could have designed them. TO HELP OUT THE SHOW Leave an honest review on iTunes. Your ratings and reviews really help and I read each one. Subscribe on iTunes or Stitcher
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