Delhi. The red sandstone Red Fort is noted for its special buildings-Diwan-i-Aam and Diwan-i-Khas. Another mosque was built during his tenure in Lahore called Wazir Khan Mosque, by Shaikh Ilm-ud-din Ansari who was the court physician to the emperor. It is famous for its rich embellishment which covers almost every interior surface. Taj Mahal The Taj Mahal, a World Heritage Site was built between 1632 and 1653 by the emperor Shah Jahan in memory of his wife Mumtaz Mahal . Its construction took 22 years and required 22,000 laborers and 1,000 elephants, at a cost of 32 million rupees. (corresponding to US$ 827 million in 2015) 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. The building's longest plane of symmetry runs through the entire complex except for the sarcophagus of Shah Jahan, which is placed off centre in the crypt room below the main floor. This symmetry is extended to the building of an entire mirror mosque in red sandstone, to complement the Mecca-facing mosque placed to the west of the main structure. Parchin kari, a method of decoration on a large scale-inlaid work of jewels and Jali work has been used to decorate the structure. Wazir Khan Mosque The Wazir Khan Mosque was commissioned during the reign of the Mughal Emperor Shah Jahan in 1634, and completed in 1642. Considered to be the most ornately decorated Mughal-era mosque, Wazir Khan Mosque is renowned for its intricate faience tile work known as kashi-kari, as well as its interior surfaces that are almost entirely embellished with elaborate Mughal-era frescoes. The mosque has been under extensive restoration since 2009 under the direction of the Aga Khan Trust for Culture and the Government of Punjab. Shalimar Gardens It is a Mughal garden complex located in Lahore, capital of the Pakistani province of Punjab. The gardens date from the period when the Mughal Empire was at its artistic and aesthetic zenith. Construction of the gardens began in 1641 during the reign of Emperor Shah Jahan, and was completed in 1642. In 1981 the Shalimar Gardens were inscribed as a UNESCO World Heritage Site as they embody Mughal garden design at the apogee of its development. Shah Jahan Mosque The Shah Jahan Mosque is the central mosque for the city of Thatta,