Taj Mahal earlier Mughal buildings were primarily constructed of red sandstone, Shah Jahan promoted the use of white marble inlaid with semi-precious stones. Buildings under his patronage reached new levels of refinement. The tomb is the central focus of the entire complex of the Taj Mahal. It is a large, white marble structure standing on a square plinth and consists of a symmetrical building with an "iwan" (an arch-shaped doorway) topped by a large dome and finial. Like most Mughal tombs, the basic elements are Persian in origin. The base structure is a large multi-chambered cube with chamfered corners forming an unequal
Origins and architecture of the Taj Mahal not know precisely who designed the Taj Mahal. In the Islamic world at the time, the credit for a building's design was usually given to its patron rather than its architects. From the evidence of contemporary sources, it is clear that a team of architects were responsible for the design and supervision of the works, but they are mentioned infrequently. Shah Jahan's court histories emphasise his personal involvement in the construction and it is true that, more than any other Mughal emperor, he showed the greatest interest in building, holding daily meetings with his architects and supervisors. The court chronicler