United Nations, Shawwal 10, 1437, Jul 15, 2016, SPA -- The U.N. Educational, Scientific, and Cultural Organization (UNESCO) on Friday announced the addition of four new sites to its World Heritage List. The new sites include China's Zuojiang Huashan rock art cultural landscape, Iran's ancient aqueducts known as Qanat, and India's archaeological site of Nalanda Mahavihara. The U.N. agency's World Heritage Committee also selected Micronesia's artificial islets of Nan Madol and simultaneously placed it on the List of World Heritage in Danger. Made of basalt and coral boulders, the 99 artificial islets are home to ruins including a temple and tombs that were built between 500 and 700 years ago. Meeting in Istanbul, the committee is reviewing 27 sites of special cultural or natural significance which have been nominated for the World Heritage List. --SPA 19:34 LOCAL TIME 16:34 GMT www.spa.gov.sa/w