TibetisamongthemostpopularplacesforChinesetourists.Then...
問題詳情：TibetisamongthemostpopularplacesforChinesetourists.Thenumberoftravelersof Tibethasgrownby10%everyyearforafewyears.SinceJuly1,2006,whenthefirsttrainran1956kilometersfromXiningtoLhasa,moreandmo...