Photo taken on Sept. 3, 2018 shows the scenery of fields at Pingbao Village in Rongjiang County, southwest China's Guizhou Province. (Xinhua/Huang Wanxin)

Aerial photo taken on Sept. 2, 2018 shows the scenery of fields in Guofu Town in the Qijiang District of Chongqing, southwest China. (Xinhua/Chen Xingyu)

Aerial photo taken on Sept. 2, 2018 shows a view of the Nanfeng terraced fields in Congjiang County, southwest China's Guizhou Province. (Xinhua/Wu Dejun)

Villagers harvest rice in the fields at Yanjing Village of Shixi Town in the Nanchuang District of Chongqing, southwest China, Sept. 2, 2018. (Xinhua/Qu Mingbin)

Aerial photo taken on Sept. 2, 2018 shows a view of the Nanfeng terraced fields in Congjiang County, southwest China's Guizhou Province. (Xinhua/Wu Dejun)

Aerial photo taken on Sept. 2, 2018 shows a view of terraced fields at Yanjing Village of Shixi Town in the Nanchuang District of Chongqing, southwest China. (Xinhua/Qu Mingbin)

Aerial photo taken on Sept. 2, 2018 shows the scenery of fields at Yasha Village in Jishou City, central China's Hunan Province. (Xinhua/Yao Fang)

Aerial photo taken on Sept. 2, 2018 shows a view of the Nanfeng terraced fields in Congjiang County, southwest China's Guizhou Province. (Xinhua/Wu Dejun)

Aerial photo taken on Sept. 3, 2018 shows farmers drying rice in Aizhai Town of Jishou City, central China's Hunan Province. (Xinhua/Qu Mingbin)

Aerial photo taken on Sept. 2, 2018 shows a view of terraced fields at Yanjing Village of Shixi Town in the Nanchuang District of Chongqing, southwest China. (Xinhua/Qu Mingbin)