Taj Mausoleum, Iwan on north, detail: The pishtaq is accentuated by a large inscription in sulus script in a band on its rectangular frame. The texts are selected passages from the Quran which relate to the eschatological programme of the building with references to the Last Judgment, divine forgiveness, and the reward of the faithful in Paradise. The spandrels are filled with flowery arabesques in red, green and dark yellow in inlay. The inner walls of the iwan are patterned with blind arches alternating with cartouches.