Aerial photo taken on Oct. 10, 2018 shows the trees of populus euphratica at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)

Photo taken on Oct. 10, 2018 shows teals at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)

Photo taken on Oct. 10, 2018 shows a view of the Jinbo Lake at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)

Aerial photo taken on Oct. 10, 2018 shows the trees of populus euphratica at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)

Aerial photo taken on Oct. 10, 2018 shows the trees of populus euphratica at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)

Aerial photo taken on Oct. 10, 2018 shows the trees of populus euphratica at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)

Aerial photo taken on Oct. 10, 2018 shows the trees of populus euphratica at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)

Photo taken on Oct. 10, 2018 shows the trees of populus euphratica at the Jinta desert forest park in Jiuquan City, northwest China's Gansu Province. The populus euphratica is a saline-tolerant species which grows well in desert. (Xinhua/Zhang Rui)