Related – not all maps are some variation of impressions and depressions on a flat surface! I think I first heard about these here, the idea keeps bubbling up.

Related – not all maps are some variation of impressions and depressions on a flat surface! I think I first heard about these here, the idea keeps bubbling up. https://en.wikipedia.org/wiki/Marshall_Islands_stick_chart https://en.wikipedia.org/wiki/Marshall_Islands_stick_chart I don't know if "we" know how old the stick-chart tradition is, but it probably gives cave paintings a run for the money. Cave paintings and engraved tablets are comparatively quite good at surviving into the age of contemporary archaeology/anthropology.