This photo taken on Sept. 17, 2025 shows a soybean field under the starry sky in Fujin City, northeast China's Heilongjiang Province. (Photo by Qu Yubao/Xinhua)

This photo taken on Sept. 19, 2025 shows tractors under the starry sky at a farm under Beidahuang Group in northeast China's Heilongjiang Province. (Photo by Qian Boyu/Xinhua)

This stack composite photo taken on Sept. 17, 2025 shows a field under the starry sky in Fujin City, northeast China's Heilongjiang Province. (Photo by Qu Yubao/Xinhua)

This stack composite photo taken on Sept. 15, 2025 shows rice paddies under the starry sky in Jiayin County, northeast China's Heilongjiang Province. (Photo by Li Shaojun/Xinhua)

This stack composite photo taken on Sept. 17, 2025 shows rice paddies under the starry sky in Fujin City, northeast China's Heilongjiang Province. (Photo by Qu Yubao/Xinhua)

This photo taken on Sept. 22, 2025 shows a sorghum field under the starry sky in Qiqihar City, northeast China's Heilongjiang Province. (Photo by Wang Yonggang/Xinhua)

This photo taken on Sept. 21, 2025 shows a corn field under the starry sky in Jiayin County, northeast China's Heilongjiang Province. (Photo by Li Shaojun/Xinhua)