this post was submitted on 19 May 2026
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Mildly Interesting
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I wonder if it wasn't some sort of "bank," from the pre-currency barter days. You could exchange your extra grain for credits that you could use to buy fabric, or arrowheads. The pits are where the items would be stored, sort of like a neolithic shopping mall.
Or maybe each pit belonged to a specific person, and they could store their personal valuables, where they were covered, and guarded.