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A staff member(front) selects tomato seedling at a vegetable planting base in Nangong Village of Wangzuo Town in Fengtai District of Beijing, capital of China, Feb. 22, 2020. (Xinhua/Ren Chao)
A staff member(front) selects tomato seedling at a vegetable planting base in Nangong Village of Wangzuo Town in Fengtai District of Beijing, capital of China, Feb. 22, 2020. (Xinhua/Ren Chao)