Bai Xuqin, a fourth grader at Dongyue primary school, mops the floor with his mother, a cleaner, in a restroom of the school in Guyuan city of Ningxia Hui autonomous region, May 10, 2013. Like Bai, most of the school's 1000-plus pupils live with their mothers, since their fathers works outsides the hometown all year round. The school therefore initiated a special activity where they send pupils to their mothers' workplace on Friday to help with the work. [Photo/Xinhua]
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