Policemen patrol at a railway station in Chengdu, capital of southwest China's Sichuan Province, Jan. 27, 2017. China's railways carried a record number of passengers during the seven-day Lunar New Year holiday. A total of 51.99 million passengers traveled by train during the Spring Festival break, an increase of 8.8 percent from a year earlier, according to China Railway. (Xinhua/Xue Yubin)