Aerial photo taken on Sept. 25, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)

　　Photo taken on Sept. 23, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)

　　Aerial photo taken on Sept. 24, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)

　　Aerial photo taken on Sept. 24, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)

　　Photo taken on Sept. 24, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)

　　Photo taken on Sept. 23, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)

　　Photo taken on Sept. 24, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)

　　Aerial photo taken on Sept. 24, 2019 shows the scenery of Kanas scenic spot of Altay, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Wang Fei)