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A teacher makes cinnabar moles on a child's forehead during a first writing ceremony, a traditional education activity, at a school in Lanzhou, northwest China's Gansu Province, Sept. 10, 2019. (Photo by Ma Xiping/Xinhua)

A teacher makes cinnabar moles on a child's forehead during a first writing ceremony, a traditional education activity, at a school in Lanzhou, northwest China's Gansu Province, Sept. 10, 2019. (Photo by Ma Xiping/Xinhua)