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A demolition site is covered by nets to minimize spread of dust in Chang'an District of Xi'an, capital of northwest China's Shaanxi Province, Dec. 20, 2017. (Xinhua/Shao Rui)
A demolition site is covered by nets to minimize spread of dust in Chang'an District of Xi'an, capital of northwest China's Shaanxi Province, Dec. 20, 2017. (Xinhua/Shao Rui)