Yunnan,located in the Southwest China,has a vast territory,magnificent mountains and rivers,and abundant natural resources.With an area of 390,000 square kilometers,Yunnan is the eighth largest province in China.It is an inland province,with Guizhou Province and Guangxi Zhuang Autonomous Region in the east,Tibet Autonomous Region in the northwest,and the Qinghai-Tibet Plateau in the southwest.Outside China,Yunnan borders on Burma in the west; Vietnam and Laos in the south.With a long borderline,is the main passageway connecting China with the Southeast Asian nations.