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Laborers work at the construction site of the Egongyan Bridge for city rail system in southwest China's Chongqing Municipality, July 9, 2019. (Xinhua/Wang Quanchao)
Laborers work at the construction site of the Egongyan Bridge for city rail system in southwest China's Chongqing Municipality, July 9, 2019. (Xinhua/Wang Quanchao)