It’s also a crenelated four-storey tower with a quadrangular floor plan belonging to the wall, yet smaller. The southern facade features two contemporary balconies, the original look of which has changed. A round tower (14th-15th century) A 14th-15th century two-storey circular tower. It’s a good example of cylindrical construction which continues to be in relatively good conditions. There’s a wall section next to it. In fact, this tower and the en Garcés tower are joined by the best preserved stretch of the original wall. Together, they form a site of immense architectural and artistic beauty.