The word Allah in the calligraphy in the patio of the Ben Youssef Medersa, the largest Medersa in Morocco, originally a religious school founded under Abou el Hassan, UNESCO World Heritage Site, Marrakech, Morocco, North Africa, Africa

Ben Youssef Medersa, the largest Medersa in Morocco, originally a religious school founded under Abou el Hassan, UNESCO World Heritage Site, Marrakech, Morocco, North Africa, Africa

Detail of calligraphy and zellij in the patio, Ben Youssef Meders, the largest Medersa in Morocco, originally a religious school founded under Abou el Hassan, UNESCO World Heritage Site, Marrakech, Morocco, North Africa

Columned arcades in the central courtyard of the Ben Youssef Medersa, the largest Medersa in Morocco, originally a religious school founded under Abou el Hassan, UNESCO World Heritage Site, Marrakech, Morocco, North Africa, Africa

The inner courtyard of the Ben Youssef Medersa, the largest Medersa in Morocco, originally a religious school founded under Abou el Hassan. UNESCO World Heritage Site, Marrakech, Morocco, North Africa, Africa