Study on the Organization United Nations science and culture. In December, is the first archaeological site and 2535 (1992) that have been registered as world heritage site in a hurry.
Organization of the United Nations Education, Science and Culture. In December 2535 and is the first archeological immediately registered as a World Heritage Site.
On the United Nations Educational Scientific and cultural organization. When December 2004. 2535 archaeological and first quickly registered as a world heritage site