Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)

　　A tourist takes photos near the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region, Oct. 12, 2019. (Xinhua/Ding Lei)

　　Aerial photo taken on Oct. 12, 2019 shows a view of the Bosten Lake in Bohu County, northwest China's Xinjiang Uygur Autonomous Region. (Xinhua/Ding Lei)