Carcassonne, specifically the Carcassonne Fortress - France, Occitania region. Medieval walled town, surrounded by a three km double wall with 53 towers. The walls were constructed from the Romans in the 3rd century AD and were fortified with the French during the Romanesque model in the subsequent generations. The whole https://www.tripspoiler.com/2021/04/top-10-cities-for-tourists.html