Deqen,honoredas“ShangriLa”,islocatedintheareawherethreeriversmeettoformoneintheHenduanMountainsstraddlingthebordersofYunnan,SichuanandTibet.TheDeqenTibetanEthnicGroupAutonomousPrefecture,foundedinSeptember1957,istheonlyTibetanautonomousprefectureinYunnanProvincebutoneof10inthe