In 1983, the Taj Mahal became a UNESCO World Heritage Site and was cited as "the jewel of Muslim art in India and one of the universally admired masterpieces of the world's heritage." ...

the pearly-white exterior of the Taj Mahal deteriorates in winter too. The Archeological Survey of India (ASI) is of the view that the main cause of this color change is "Goeldichironomus".