Richard speaks with an aerospace engineer who theorizes that sites such as Machu Picchu, Chichen Itza, the Acropolis, and Temple Mount are not only thousands of years old but much older.

GUEST: Mark Carlotto is an aerospace engineer with over thirty years of experience in satellite imaging, remote sensing, signal and image processing, pattern recognition, and app development. Carlotto received a Ph.D. in Electrical Engineering from Carnegie-Mellon University in 1981 and has published over one hundred technical articles and written six books. In his book, Before Atlantis, Carlotto draws from his unique background and experience to propose new answers to basic questions concerning human origins, ancient technology, and archaeological enigmas.

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