Situated in the central patr of the Asian continent,the westem region of China is on the roortop of the world.With and area larger than half of Europe,is has a favorable geographical location.From west China,one can easily travel westward to reach Central Asian countries and even Amsterdan in Europe.It adjoins Southeast Asia and the South Asian subcontinent in the southwest,and the Beibu Gulf and South Chian Sea in the south.The region encopmasses one-third of Chian s administrative regionns-Sha