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Railway policeman Gou Fawei (L) and his wife, policewoman Luo Yakun, meet on a railway bridge on the junction of the administrative areas by their two police stations when patrolling the railway line crossing Haiyuan County and its neighboring Tongxin County in northwest China's Ningxia Hui Autonomous Region, Jan. 23, 2019. (Xinhua/Wang Peng)
