largest Persian carpet in the world
Sheikh Zayed Mosque (Main prayer hall)
Sheikh Zayed Mosque in Abu Dhabi is the largest mosque in the United Arab Emirates and the eighth largest mosque in the world. It is named after Sheikh Zayed bin Sultan Al Nahyan, the founder and the first President of the United Arab Emirates, who is also buried there. The mosque was officially opened in the Islamic month of Ramadan in 2007.
The Abu Dhabi Tourism Authority announced that tours of the mosques will be given to both Muslims and non-Muslims beginning in mid-March 2008 in order to promote cultural and religious understanding.
Design , The design of the Sheikh Zayed Mosque has been inspired by Mughal and Moorish mosque architecture, the Badshahi Mosque in Lahore and the Hassan II Mosque in Casablanca being direct influences. The dome layout and floorplan of the mosque was inspired by the Badshahi Mosque and the architecture was inspired by both Mughal and Moorish design. Its archways are quintessentially Moorish and its minarets classically Arab. The design of the mosque can be best described as a fusion of Arab, Mughal and Moorish architecture.  Dimensions
The Mosque is large enough to accommodate 40,000 worshipers. The main prayer hall can accommodate up to 9,000 worshippers. Two rooms next to the main prayer hall, with a 1,500-capacity each, are for the exclusive use of women.
There are four minarets on the four corners of the mosque which rise about 115 m (380 ft) in height. There are 57 domes covering the outside yard and the main building as well. The domes are decorated with white marble and the interior decoration is made of marble. The courtyard is paved with floral
marble designs and measures about 17,000 m2 (180,000 sq ft).  World records .
The Sheikh Zayed Mosque made some world records:
* The carpet laid out on the vast expanse is the “World's Largest Carpet” made by Iran's Carpet Company and designed by Iranian artist Ali Khaliqi. This carpet measures 5,627 m2 (60,570 sq ft), and was made by around 1,200 weavers, 20 technicians, and 30 workers. The weight of this carpet is 47 tons – 35 tons of wool, and 12 tons of cotton. There are 2,268,000,000 knots within the carpet. * This mosque also holds the largest chandelier. There are seven imported chandeliers from Germany and are copper and gold-plated. The largest chandelier has a 10 m (33 ft) diameter and a 15 m (49 ft) height.
Both of these records were previously held by the Sultan Qaboos Grand Mosque in Oman.
Persian Carpet in Soltan Qaboos Mosque
A major feature of the design of the interior is the prayer carpet which covers the floor of the prayer hall. It contains, 1,700,000 knots, weighs 21 tonnes and took four years to produce, and brings together the classical Tabriz, Kashan and Isfahan design traditions. 28 colors in varying shades were used, the majority obtained from traditional vegetable dyes. It is the largest single piece carpet in the world. The world’s largest hand-woven carpet was produced by Iran Carpet Company (ICC) at the order of the Diwan of the Royal Court of Sultanate of Oman to cover the entire floor of the main praying hall of the Sultan Qaboos Grand Mosque (SQGM) in Muscat. The carpet measures over 70 × 60 meters, and covers the 4,343 square meter area of the praying hall, all in a single piece. The chandelier above the praying hall is 14 meters tall. The Mosque is built on a site occupying 416,000 square metres and the complex extends to cover an area of 40,000 square metres. The newly built Grand Mosque was inaugurated by Sultan of Oman on May 4, 2001.