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

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

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

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

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

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

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

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

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