Kasbah of Sfax - Credit: Wikimedia Commons
Kasbah of Sfax is a kasbah, an Islamic desert fortress, located in the southwestern corner of the ancient city of Sfax.The Sfax Kasbah Ministry of Culture. Retrieved 8-1-2017. It was used for different purposes throughout the history: it was first a control tower built by the Aghlabids on the coast, then the seat of the municipal government, and then the main army barracks. Its construction was preceded by the deployment of the wall and the medina quarter. Today it serves as a museum of traditional architecture. Read more on Wikipedia
Source: en.wikipedia.org