This photo taken on Sept. 5, 2026 shows a view of paddy fields at a farm under the Beidahuang Group in northeast China"s Heilongjiang Province. (Photo by Wang Yaguang/Xinhua)

　　An aerial drone photo taken on Sept. 5, 2026 shows a view of paddy fields at a farm under the Beidahuang Group in northeast China"s Heilongjiang Province. (Photo by Huang Yongxing/Xinhua)

　　An aerial drone photo taken on Sept. 5, 2026 shows a view of paddy fields in Fujin City, northeast China"s Heilongjiang Province. (Photo by Qu Yubao/Xinhua)

　　An aerial drone photo taken on Sept. 2, 2026 shows a harvester operating in a corn field at a farm under the Beidahuang Group in northeast China"s Heilongjiang Province. (Photo by Xu Yingxian/Xinhua)

　　An aerial drone photo taken on Sept. 5, 2026 shows a harvester operating in a corn field at a farm under the Beidahuang Group in northeast China"s Heilongjiang Province. (Photo by Lu Wenxiang/Xinhua)

　　An aerial drone photo taken on Sept. 4, 2026 shows a view of fields in Tongjiang City, northeast China"s Heilongjiang Province. (Photo by Liu Wanping/Xinhua)

　　An aerial drone photo taken on Sept. 5, 2026 shows a view of paddy fields in Tongjiang City, northeast China"s Heilongjiang Province. (Photo by Li Wenbin/Xinhua)