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An aerial drone photo taken on Sept. 7, 2026 shows agricultural technicians estimate grain yield in a sorghum field at a farm under the Beidahuang Group in northeast China's Heilongjiang Province. Farmers are busy with farm work around White Dew (Bailu), one of the 24 solar terms meaning dew curdles and the start to get cold. (Photo by Lin Jinchun/Xinhua)
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