Yuan Zehao (1st L front) and his sister Yuan Zetong (1st R front) help their mother pushing their luggage at the railway station of Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Feb. 2, 2015. As the Spring Festival is drawing near, many children of migrant workers start to return to their hometown. (Xinhua/Peng Zhaozhi)
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