青海青,黄河黄 From Lanzhou to Dunhuang, following the historic Silk Road, this stretch of Gansu offers both beauty and history. This route crosses the Hexi Corridor, a long, narrow strip of land between the Qilian Mountains to the south and the

青海青,黄河黄 From Lanzhou to Dunhuang, following the historic Silk Road, this stretch of Gansu offers both beauty and history. This route crosses the Hexi Corridor, a long, narrow strip of land between the Qilian Mountains to the south and the