Villagers harvest rice in paddy fields in Yangjia Village, Danzhai County of southwest China's Guizhou Province, Sept. 10, 2018. (Xinhua/Huang Xiaohai)

Villagers harvest paddy rice in fields in Yangjia Village, Danzhai County of southwest China's Guizhou Province, Sept. 10, 2018. (Xinhua/Huang Xiaohai)

Villagers harvest rice in paddy fields in Yangjia Village, Danzhai County of southwest China's Guizhou Province, Sept. 10, 2018. (Xinhua/Huang Xiaohai)

Aerial photo taken on Sept. 9, 2018 shows the paddy fields in Changtan Village, Taijiang County of southwest China's Guizhou Province. (Xinhua/Wu Jibin)

Villagers checks the growth of rice in paddy fields in Tancheng County, Linyi City of east China's Shandong Province, Sept. 10, 2018. (Xinhua/Zhang Chunlei)

A villager works in paddy fields in Tancheng County, Linyi City of east China's Shandong Province, Sept. 10, 2018. (Xinhua/Zhang Chunlei)

Villagers harvest rice in paddy fields in Gaoyao Village, Danzhai County of southwest China's Guizhou Province, Sept. 10, 2018. (Xinhua/Huang Xiaohai)

Aerial photo taken on Sept. 9, 2018 shows the paddy fields in Cenbang Village, Taijiang County of southwest China's Guizhou Province. (Xinhua/Wu Jibin)

A villager works at paddy fields in Changtan Village, Taijiang County of southwest China's Guizhou Province, Sept. 9, 2018. (Xinhua/Wu Jibin)