- Original release
- Previous episode S01E05 - Legacy of the Sages
- Number S01E06
- Country United Kingdom
- Genre Documentary
-
External links
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Last update
4 avril 2025 - 23:15
on 11 databases
America's Lost Civilization
Graham visits ancient mounds in North America and wonders if they contain astronomical significance — or even warnings of an apocalyptic climate event.
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S01E07 - A Fatal Winter
