Taj Mahal polished to emphasise the exquisite detailing of the carvings. The dado frames and archway spandrels have been decorated with pietra dura inlays of highly stylised, almost geometric vines, flowers and fruits. The inlay stones are of yellow marble, jasper and jade, polished and levelled to the surface of the walls. The interior chamber of the Taj Mahal reaches far beyond traditional decorative elements. The inlay work is not pietra dura, but a lapidary of precious and semiprecious gemstones. The inner chamber is an octagon with the design allowing for entry from each face, although only the door facing the garden
Taj Mahal to others built by Shah Jahan, particularly the "Masjid-i Jahān-Numā", or Jama Masjid, Delhi. The Mughal mosques of this period divide the sanctuary hall into three areas comprising a main sanctuary and slightly smaller sanctuaries on either side. At the Taj Mahal, each sanctuary opens onto an expansive vaulting dome. The outlying buildings were completed in 1643. The Taj Mahal is built on a parcel of land to the south of the walled city of Agra. Shah Jahan presented Maharajah Jai Singh with a large palace in the centre of Agra in exchange for the land. An area of roughly