Bai Xuqin, a fourth-grader at Dongyue primary school, mops the floor with his mother, a janitor, in a restroom at the school in Guyuan city of the Ningxia Hui autonomous region, May 10, 2013. Like Bai, most of the school’s 1,000-plus pupils live with their mothers, since their fathers work outside their hometown all year. The school has initiated a special activity allowing students to visit their mothers’ workplace on Friday to help with work. [Photo/Xinhua]

Li Xupeng, a fifth-grader at Dongyue primary school in Guyuan city of the Ningxia Hui autonomous region, works alongside his mother, a deaf-mute construction worker, at a construction site in the county, May 10, 2013. Li sent Mother’s Day wishes to the great woman using sign language. [Photo/Xinhua]