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A technician checks a bullet train at Yantai Railway Station in Yantai, east China's Shandong Province, March 1, 2019. China's 40-day Spring Festival travel rush concluded on Friday. (Xinhua/Tang Ke)
A technician checks a bullet train at Yantai Railway Station in Yantai, east China's Shandong Province, March 1, 2019. China's 40-day Spring Festival travel rush concluded on Friday. (Xinhua/Tang Ke)