Aerial photo taken on July 24, 2019 shows the terraced lands in Zhongchuan Town of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Aerial photo taken on July 24, 2019 shows the terraced lands in Zhongchuan Town of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Aerial photo taken on July 24, 2019 shows the terraced lands in Zhongchuan Town of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Aerial photo taken on July 24, 2019 shows the terraced lands in Zhongchuan Town of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)
Aerial photo taken on July 24, 2019 shows the terraced lands in Zhongchuan Town of Huining County, northwest China's Gansu Province. (Xinhua/Ma Ning)