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Passengers board a train at the Yantai Railway Station in Yantai, east China's Shandong Province, April 9, 2018. A new train diagram will be put into operation in China, starting from April 10, 2018. (Xinhua/Tang Ke)
Passengers board a train at the Yantai Railway Station in Yantai, east China's Shandong Province, April 9, 2018. A new train diagram will be put into operation in China, starting from April 10, 2018. (Xinhua/Tang Ke)