Aerial photo taken on Oct. 21, 2019 shows a view of the Jinta desert populus euphratica forest scenic spot in Jiuquan, northwest China's Gansu Province. (Xinhua/Ma Ning)

Photo taken on Oct. 21, 2019 shows a view of the Jinta desert populus euphratica forest scenic spot in Jiuquan, northwest China's Gansu Province. (Xinhua/Ma Ning)

A woman walks in the Jinta desert populus euphratica forest scenic spot in Jiuquan, northwest China's Gansu Province, Oct. 21, 2019. (Xinhua/Ma Ning)

Aerial photo taken on Oct. 21, 2019 shows a view of the Jinta desert populus euphratica forest scenic spot in Jiuquan, northwest China's Gansu Province. (Xinhua/Ma Ning)