A drone photo taken on Oct. 3, 2026 shows a harvester working in a soybean field in Fujin, northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Qu Yubao/Xinhua)

A farmer arranges harvested grains in a drying yard of a farm under Beidahuang Group in northeast China's Heilongjiang Province, Oct. 5, 2026. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Liu Wanping/Xinhua)

A drone photo taken on Oct. 4, 2026 shows harvesters working in a soybean field of a farm under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Xu Yingxian/Xinhua)

A drone photo taken on Oct. 5, 2026 shows harvesters working in a corn field of a farm under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Ren Baoji/Xinhua)

An aerial drone photo taken on Oct. 6, 2026 shows a harvester working in a corn field in Fujin, northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Qu Yubao/Xinhua)

An aerial drone photo taken on Oct. 6, 2026 shows harvesters working in a corn field of a farm under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Lu Wenxiang/Xinhua)

A drone photo taken on Oct. 6, 2026 shows harvesters working in a paddy field of a farm under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Li Xing/Xinhua)

A drone photo taken on Oct. 4, 2026 shows staff members drying harvested corns in a farm under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Xu Hongyu/Xinhua)

An aerial drone photo taken on Oct. 6, 2026 shows harvesters working in a corn field under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Lin Jinchun/Xinhua)

An aerial drone photo taken on Oct. 6, 2026 shows a harvester working in a soybean field of a farm under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Liu Dapeng/Xinhua)

Farmers load newly harvested corns in a corn field of a farm under Beidahuang Group in northeast China's Heilongjiang Province, Oct. 5, 2026. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Lu Wenxiang/Xinhua)

A drone photo taken on Oct. 2, 2026 shows harvesters working in a paddy field under Beidahuang Group in northeast China's Heilongjiang Province. China's top grain producer Heilongjiang Province has witnessed a bountiful harvest during the National Day holiday. (Photo by Huang Yongxing/Xinhua)