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Indeed, the article just casually mentioned city walls without countering the obvious that city walls are normally built in an environment with warfare. City wa
by jeltz 12y ago
Indeed, the article just casually mentioned city walls without countering the obvious that city walls are normally built in an environment with warfare. City walls is something you do not build unless you really have to. We stopped building them once they stopped being cost effective.
- Gravityloss 12y agoI didn't read this article, but they were mentioned in the Geo magazine some years ago. The walls were thought to be for protection from the river flow.
- jessaustin 12y agoTo those who have seen the remains of structures exposed to floodwater, this will seem unlikely. The way to deal with floods, if you must live on the floodplain, is to build levees, berms, dikes, etc. Huge piles of rock and dirt, miles long and scores of yards wide, stacked and compacted by hordes of zero-skill labor. Not tiny little stone walls, crafted by masons who would have been among the most skilled artisans a Stone-Age society could have.