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A student uses waste to make handicraft with the guidance of her teacher at class at a primary school of Hengshui City, north China's Hebei Province, Oct. 31, 2017. (Xinhua/Zhu Xudong)
A student uses waste to make handicraft with the guidance of her teacher at class at a primary school of Hengshui City, north China's Hebei Province, Oct. 31, 2017. (Xinhua/Zhu Xudong)