Recently, passing through the majestic Tumen Pass in Gansu Province under the blue sky, the remains of the Guan Wall show the vicissitudes of history.
Tumen Pass was once an important pass of the Ancient Tea Horse Road and one of the twenty-four famous passes in the Ming Dynasty. It is located in the transition zone and boundary line from the Loess Plateau to the Qinghai-Tibet Plateau. It guards the Daxia River Gorge. It also travels from Lanzhou to Gannan and Sichuan via Linxia. , Qinghai Qinghai-Tibet Plateau must pass through the pass.
(Reporter Sun Zifa produced Li Jiali)
Editor in charge: [Ji Xiang]