10. The Portuguese walled up the sea gate, but used it to build the captains’ house atop the old gate, surrounding it with a castle. The holes in the new walls reveal a technological upgrade, as they are related to the placement of artillery pieces.
![Ksar Seghir, 2017](https://expo.ksarseghir.fcsh.unl.pt/wp-content/uploads/sites/97/2021/04/MG_6202-scaled.jpg)
![Ksar Seghir, 2017](https://expo.ksarseghir.fcsh.unl.pt/wp-content/uploads/sites/97/2021/04/IMG_9329-scaled.jpg)
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