Hello.
Please note that this edit is incorrect.
These are retaining walls of a moat around this fort. These features do not raise above the ground level.
https://wiki.openstreetmap.org/wiki/Tag:barrier%3Dretaining_wall
https://wiki.openstreetmap.org/wiki/Tag:barrier%3Dcity_wall
This edit should be corrected/reverted.
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            #REVIEWED_BAD #OSMCHA
            Published using OSMCha: https://osmcha.org/changesets/166557023
            