The Great Living Chola Temples are important Hindu Temples that were built during the 10th through 12th centuries CE in the south of India, and together have been designated a UNESCO World Heritage Site. The temples are the Brihadeeswarar Temple at Thanjavur, Brihadeeswarar temple at Gangaikonda Cholapuram and the Airavatesvara Temple at Darasuram. The Brihadeeswarar temple was declared a UNESCO World Heritage Site in 1987. The Temple of Gangaikondacholisvaram and the Airavatesvarar temple were added as extensions to the site in 2004. The site is now known as the "Great Living Chola Temples".[2]