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A farmer picks tea leaves at a tea garden in Nairobi, Kenya, Aug. 4, 2019. On Sept. 3, 2019, the Beijing International Horticultural Exhibition holds "Kenya Day" event in Beijing, capital of China. (Xinhua/Li Yan)
A farmer picks tea leaves at a tea garden in Nairobi, Kenya, Aug. 4, 2019. On Sept. 3, 2019, the Beijing International Horticultural Exhibition holds "Kenya Day" event in Beijing, capital of China. (Xinhua/Li Yan)