I don't get it
Edit: I guess petroglyphs are a thing (hieroglyphs was the term I was thinking of) so the joke makes sense
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I don't get it
Edit: I guess petroglyphs are a thing (hieroglyphs was the term I was thinking of) so the joke makes sense
It was on my mind because I just saw some petroglyphs on Saturday. Roche-A-Cri State Park in Wisconsin has a rockface with caring from sometime before 900 AD. For North America that is quite old.