Photo taken on Aug. 17, 2019 shows a night view of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Photo taken on Aug. 17, 2019 shows a night view of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Photo taken on Aug. 17, 2019 shows a night view of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Photo taken on Aug. 17, 2019 shows a night view of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Photo taken on Aug. 17, 2019 shows a night view of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)