Aerial photo taken on Oct. 11, 2018 shows farmers airing newly-harvested grains in Ganzhou District of Zhangye City, northwest China's Gansu Province. (Photos: Xinhua)

Aerial photo taken on Oct. 11, 2018 shows farmers airing newly-harvested corn grains in Pingyi County of Linyi, east China's Shandong Province.

Aerial photo taken on Oct. 11, 2018 shows farmers airing newly-harvested corn grains in Pingyi County of Linyi, east China's Shandong Province.