Tourists take photos at the Baisha Lake scenic area in Akto County, northwest China's Xinjiang Uygur Autonomous Region, Oct. 21, 2019. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of Mount Muztagata on the Pamir Plateau, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 21, 2019 shows a view of the Baisha Lake in Akto County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 21, 2019 shows a view of the Baisha Lake in Akto County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 21, 2019 shows a road leading to Tajik Autonomous County of Taxkorgan in northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of mountains on the Pamir Plateau, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 21, 2019 shows a meadow on the Pamir Plateau, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Tourists visit the Baisha Lake scenic area in Akto County, northwest China's Xinjiang Uygur Autonomous Region, Oct. 21, 2019. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 20, 2019 shows a view of a wetland park in Tajik Autonomous County of Taxkorgan, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 19, 2019 shows a view of Karakol Lake in Akto County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)