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Railway maintenance worker Tao Chunxiu brings meals for her husband Liao Xiaocheng in Lyuchunba Village of Sanjian Town in Fengdu County of Chongqing, southwest China, Jan. 30, 2018. The 50-year-old Liao and his wife Tao Chunxiu, both railway maintenance workers of Lyuchunba section of Chongqing-Lichuan railway line, are responsible for the security of the 6-km-long railway segment here.(Xinhua/Tang Yi)
