The Taj Mahal is a mausoleum of white marble that stands on the southern bank of the Yamuna River in Agra, India. It was commissioned in 1632 by the Mughal emperor Shah Jahan in memory of his beloved wife. The building is considered to be one of the most impressive examples of Indo-Islamic architecture, combining elements of Indian, Persian, and Islamic cultures. More than 20,000 workers from across India, Persia, Europe and the Ottoman Empire, as well as 1,000 elephants, helped to build the complex. In 1983, the Taj Mahal was designated a UNESCO World Heritage site, and it remains one of the world’s most outstanding structures today.