Aerial photo shows people airing the newly-harvested wild jujube in Yinan County, east China's Shandong Province, Sept. 6, 2018. (Xinhua/Du Yubao)

Dewdrops are seen on the leaves in the rice field in Lixiahe, east China's Jiangsu Province, Sept. 6, 2018. (Xinhua/Meng Delong)

Aerial photo shows people airing the newly-harvested wild jujube in Yinan County, east China's Shandong Province, Sept. 6, 2018. (Xinhua/Du Yubao)

A harvester works in the rice field in Shuangfeng County, central China's Hunan Province, Sept. 6, 2018. (Xinhua/Li Jianxin)

A farmer works in the rice field in Shuangfeng County, central China's Hunan Province, Sept. 6, 2018. (Xinhua/Li Jianxin)

Photo taken on Sept. 6, 2018 shows a farmer airing corns in Chiping County, east China's Shandong Province. (Xinhua/Zhao Yuguo)