John Carlos Baez on Nostr: The Romans built forts on the Antonine wall! They initially wanted to build one every ...

The Romans built forts on the Antonine wall! They initially wanted to build one every 10 kilometers, but for some reason they changed their minds to build three times as many, for a total of nineteen - and in addition to these, nine smaller 'fortlets'.

If you want to see one, apparently one of the best preserved is the Rough Castle Fort:

https://en.wikipedia.org/wiki/Rough_Castle_Fort

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