Hey Mik - Weird Ohio Stuff
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Seems they're getting better at understanding what these were for.
https://www.bbc.com/travel/article/20221204-the-us-2000-year-old-mystery-mounds
Seems they're getting better at understanding what these were for.
https://www.bbc.com/travel/article/20221204-the-us-2000-year-old-mystery-mounds