Write a short paragraph about the Taj Mahal.

The Taj Mahal is located in Agra, in the northern state of Uttar Pradesh, in India. It is made of white marble and was completed in 1653. The monument was designed by Ustad Ahmad Lahani and was built in memory of Emperor Shah Jahan's favorite wife, Mumtaz Mahal. The Taj Mahal is one of the most iconic examples of Mughal architecture and is considered a symbol of love and devotion.