Taj Mahal is a huge mausoleum and mosque built of white marble. It was built by Mughal Emperor Shah Jahan to commemorate his concubine. The construction of it lasted 22 years from 1631 to 1653. Located on the right side of the Yamuna River, in the city of Agra in Uttar Pradesh, more than 200 kilometers away from New Delhi, India. It is composed of halls, bell towers, minarets, pools, etc., all built with pure white marble and inlaid with glass and agate, which has extremely high artistic value. The Taj Mahal is the representative of Indian Muslim art and one of the classic masterpieces in the world heritage. It is known as the "perfect building" and the "Pearl of India".