Mosque of Uqba (Arabic: جامع عقبة), also known as the Great Mosque of Kairouan (جامع القيروان الأكبر), is one of the most important mosques in Tunisia, situated in the UNESCO World Heritage town of Kairouan. http://en.wikipedia.org/wiki/Mosque_of_Uqba
Just a case of punching in North African Mosque square tower....