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Photo taken on Dec. 30, 2017 shows vehicles at a toll gate in Changshu City, east China's Jiangsu Province, before the national New Year holiday. (Xinhua/Jin Hanxin)
Photo taken on Dec. 30, 2017 shows vehicles at a toll gate in Changshu City, east China's Jiangsu Province, before the national New Year holiday. (Xinhua/Jin Hanxin)