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A farmer covers the seeds with soil after sowing at Shapo vegetable base in Haikou, south China's Hainan Province, Feb. 25, 2020. (Xinhua/Pu Xiaoxu)
A farmer covers the seeds with soil after sowing at Shapo vegetable base in Haikou, south China's Hainan Province, Feb. 25, 2020. (Xinhua/Pu Xiaoxu)