China'ssouthwest,isknownastheworld.Theridge,populationabout2800000areamorethan120squarejustice,capitalLhasa,knownasthehighestcityintheworld,therearesevenhundredDuoNianlonghistory,beautifulscenery,therearemanyplacesofinterest,suchasthepotalapalace.Inthepolitical,economicandcultural,makegreatprogress