This drone photo taken on Sept. 21, 2026 shows harvesters working in a rice field of Youyi Farm Co., Ltd. under Beidahuang Group in northeast China"s Heilongjiang Province. Heilongjiang, an important grain-producing province in China, entered the harvest season in September. (Xinhua/Wang Song)

　　This drone photo taken on Sept. 21, 2026 shows harvesters working in a rice field of Youyi Farm Co., Ltd. under Beidahuang Group in northeast China"s Heilongjiang Province. Heilongjiang, an important grain-producing province in China, entered the harvest season in September. (Xinhua/Wang Song)

　　This drone photo taken on Sept. 21, 2026 shows harvesters working in a corn field of Youyi Farm Co., Ltd. under Beidahuang Group in northeast China"s Heilongjiang Province. Heilongjiang, an important grain-producing province in China, entered the harvest season in September. (Xinhua/Wang Song)

　　This drone photo taken on Sept. 21, 2026 shows harvesters working in a corn field of Youyi Farm Co., Ltd. under Beidahuang Group in northeast China"s Heilongjiang Province. Heilongjiang, an important grain-producing province in China, entered the harvest season in September. (Xinhua/Wang Song)