Its distinctive shape results from a 12th-century extension, which introduced a semi-circular apse—one of the earliest examples of Roman-Mudéjar art. The original 9x9-meter structure is divided into nine vaulted sections, each crowned with a ribbed cupola adorned with intricate geometric patterns. قواعد كن اركان البلاد فما .. عسى البقاء إذا لم تبق أركان؟ [These cities were foundations of our land; Without foundations can a building stand?]