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People learn about rice planting at the 18th Changchun Agriculture and Food Expo in Changchun, capital of northeast China's Jilin Province, Aug. 16, 2019. The ten-day expo kicked off on Friday. (Xinhua/Lin Hong)
People learn about rice planting at the 18th Changchun Agriculture and Food Expo in Changchun, capital of northeast China's Jilin Province, Aug. 16, 2019. The ten-day expo kicked off on Friday. (Xinhua/Lin Hong)