@simon_brooke @Okavangomick (there's also the obvious point that these things didn't happen just once: they happened periodically in lots of places, at least back to the Mesolithic I'd guess, & then often disappeared again) - Twitter Archive

Tue 2 Jul 2019 18:06

@simon_brooke @Okavangomick (there’s also the obvious point that these things didn’t happen just once: they happened periodically in lots of places, at least back to the Mesolithic I’d guess, & then often disappeared again)