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Workers pick tea leaves at a tea garden in Longwucha Village of Hangzhou, capital of east China's Zhejiang Province, March 20, 2019. Hangzhou is a major production region of China's Longjing tea. (Xinhua/Huang Zongzhi)
Workers pick tea leaves at a tea garden in Longwucha Village of Hangzhou, capital of east China's Zhejiang Province, March 20, 2019. Hangzhou is a major production region of China's Longjing tea. (Xinhua/Huang Zongzhi)