Aerial photo taken on May 21, 2019 shows the view of a terraced field at Tiechangpo Village in Zhushan Town of Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)

　　Aerial photo taken on May 21, 2019 shows the view of a terraced field at Tiechangpo Village in Zhushan Town of Xuan'en County, central China's Hubei Province. (Xinhua/Song Wen)