This aerial photo shows farmers harvesting corn in Horqin District of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 14, 2022. (Xinhua/Lian Zhen)

This aerial photo shows farmers drying corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 18, 2022. (Xinhua/Lian Zhen)

Farmers harvest corn in Horqin Left Wing Middle Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 17, 2022. (Xinhua/Lian Zhen)

A farmer harvests corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 18, 2022. (Xinhua/Lian Zhen)

A worker dries corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 18, 2022. (Xinhua/Lian Zhen)

This aerial photo shows farmers harvesting corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 18, 2022. (Xinhua/Lian Zhen)

This aerial photo shows farmers harvesting corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 18, 2022. (Xinhua/Lian Zhen)

A farmer harvests corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 13, 2022. (Xinhua/Lian Zhen)

This aerial photo shows farmers harvesting corn in Horqin District of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 14, 2022. (Xinhua/Lian Zhen)

Workers dry corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 18, 2022. (Xinhua/Lian Zhen)

This aerial photo shows farmers harvesting corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 13, 2022. (Xinhua/Lian Zhen)

This aerial photo shows farmers drying corn in Naiman Banner of Tongliao City, north China's Inner Mongolia Autonomous Region, Oct. 18, 2022. (Xinhua/Lian Zhen)