valley glacier
4.In the whole plane with less county ( or vertical distribution ) land city have concentrated from tropical valley the ecological landscape to the moss original tape of high mountain, biological species are rich, numerous , district is complex, the animal and plant that collected is the epitome of our country that goes to north from south , is known as " natural gene storehouse " , " alive museum " , " mammal ancestors break up development originate land " , " the south north corridor of animal and plant " , " the century glacier campaign period of 4th biological refuge ".

