It has been over three hundred years since emperor Shah Jahan of Delhi build the Taj Mahal as a tomb for his wife in Agra. Architecturally, it be one of the most beautiful buildings in the world. The building make of fine white marble with inlays of coloured marble. It have eight sides and many open arches. It rest on a platform or terrace of red sandstone. Four slender white towers rise from the corners of the terrace. A large dome stand above the centre of the building. Around this large dome there be four smaller domes. Just inside the outer walls, there is an open corridor from which the visitors look through carved marble screens into a central room. The bodies of Shah Jahan and his wife Mumtaz lie in two graves below this room.