This aerial photo taken on Oct. 19, 2023 shows a villager drying harvested corns at Dongsheng Village of Zhaodong City, northeast China's Heilongjiang Province. Heilongjiang has remained China's top grain producer for 13 consecutive years. The total grain output of Heilongjiang accounted for 11.3 percent of China's national grain output in 2022. (Xinhua/Xie Jianfei)

This aerial photo taken on Oct. 18, 2023 shows packed straw in harvested fields in Shangzhi City, northeast China's Heilongjiang Province. Heilongjiang has remained China's top grain producer for 13 consecutive years. The total grain output of Heilongjiang accounted for 11.3 percent of China's national grain output in 2022. (Xinhua/Xie Jianfei)

This aerial photo taken on Oct. 11, 2023 shows a harvester collecting corns in Fujin City, northeast China's Heilongjiang Province. Heilongjiang has remained China's top grain producer for 13 consecutive years. The total grain output of Heilongjiang accounted for 11.3 percent of China's national grain output in 2022. (Xinhua/Wang Jianwei)

This aerial photo taken on Oct. 19, 2023 shows a harvester collecting corns at Dongsheng Village of Zhaodong City, northeast China's Heilongjiang Province. Heilongjiang has remained China's top grain producer for 13 consecutive years. The total grain output of Heilongjiang accounted for 11.3 percent of China's national grain output in 2022. (Xinhua/Xie Jianfei)