Aerial photo taken on March 28, 2019 shows a view of the Qutang Gorge, one of the Three Gorges on the Yangtze River, in southwest China's Chongqing. In recent years, Chongqing has continuously built up important ecological barriers in the upper reaches of the Yangtze River by strengthening ecological restoration. The ecological environment in the Chongqing section of the Yangtze River has been continuously improved. (Xinhua/Wang Quanchao)
