Main entrance on south to Taj Mausoleum compound, portal, east half, detail: The great gate called darwaza-i rauza (gate of the mausoleum) is clad in red sandstone and white marble. White marble frames the dominant portal arch in the center and then decreases towards the corner towers. The corners are accentuated by engaged towers (minarets). At the bottom left end of the frame is the signature of the calligrapher Amanat Khan and Hijri date 1057 (1647/48 CE). The great gate doesn't have an outer dome.