Solid milk snacks are arranged for sale by the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region, Aug. 17, 2019. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Li Peng)

　　Cycling enthusiasts ride on the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region, Aug. 17, 2019. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Li Peng)

　　Cows and vehicles are seen on the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region, Aug. 17, 2019. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Li Peng)

　　Horses are seen on the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region, Aug. 17, 2019. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Li Peng)

　　Aerial photo taken on Aug. 17, 2019 shows vehicles running on the winding Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Hu Huhu)

　　Photo taken on Aug. 17, 2019 shows a pasture by the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Hu Huhu)

　　Aerial photo taken on Aug. 17, 2019 shows vehicles running on the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Hu Huhu)

　　A tourist poses for photos with a stone stele which marks the starting point of the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region, Aug. 17, 2019. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Li Peng)

　　Photo taken on Aug. 17, 2019 shows a pasture by the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Li Peng)

　　Horses are seen in a pasture by the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region, Aug. 17, 2019. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Hu Huhu)

　　Aerial photo taken on Aug. 17, 2019 shows vehicles running on the Dushanzi-Kuqa highway, northwest China's Xinjiang Uygur Autonomous Region. The Dushanzi-Kuqa section of National Highway 217 runs through various of natural landscapes including glaciers, lakes, forests and grasslands, which make it a popular travelling route among self-driving travelers, cycling enthusiasts and hikers. (Xinhua/Hu Huhu)