In the middle of the Haram Area is a platform, measuring 300 ells in length, by 140 ells across, and its height is 9 ells. It has six flights of stairways, leading up to the Dome of the Rock. The Dome rises in the middle of this platform. The ground-plan of the same measures 100 ells by 100, it height is 70 ells, and its circumference is 360 ells. In the Dome every night they light 300 lamps. It has four gates roofed over, and at each gate are four doors, and over each gate is a portico of marble. The stone of the Rock measures 34 ells by 27 ells, and under the Rock is a cavern in which the people pray. This cavern is capable of containing sixty-two persons. (The edifice of) the Dome is covered with white marble, and its roof with red gold. In its walls, and high in (the drum), are fifty six windows (bâd), glazed with glass of various hues; each measures 6 ells in the height, by 6 spans scross. The Dome, which was build by 'Abd al Malik ibn Marwân is supported on twelve piers and thirty pillars. It consists of a dome over a dome (that is, an inner and outer), on which are sheets of lead and white marble.