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A student has lunch at a primary school in Changning District of Shanghai, east China, Sept. 2, 2020. The school promotes the "Clear Your Plate" campaign to stem food waste as new semester begins. (Xinhua/Ding Ting)
A student has lunch at a primary school in Changning District of Shanghai, east China, Sept. 2, 2020. The school promotes the "Clear Your Plate" campaign to stem food waste as new semester begins. (Xinhua/Ding Ting)