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Sci Ch - What on Earth Series 9 (2020) Part 3 Aztec Alien Mystery (2021)

What on Earth Series 9 Part 3 Aztec Alien Mystery (2021)

When satellite images spot a strange white substance in the land of the Aztecs, experts investigate the site for extraterrestrial connections; what they find could explain the rise of one of the world's greatest civilizations.

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