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
Origins and architecture of the Taj Mahal two structures remain immediately north and south of the large pool which were probably garden pavilions. From the northern structure a stepped waterfall would have fed the pool. The garden to the north has the typical square, cross-axial plan with a square pool in its centre. To the west an aqueduct fed the garden. Origins and architecture of the Taj Mahal The 'Taj Mahal' represents the finest and most sophisticated example of Mughal architecture. Its origins lie in the moving circumstances of its commission and the culture and history of an Islamic Mughal empire's rule of large parts of India.