A Grade-of-Automation 4 system train made by China Railway Rolling Stock Corp stops at a railway station in Zhengzhou, Henan province. (Text: China Daily Photo: China Daily)
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Source: China Daily | 2021-07-15 15:16
A Grade-of-Automation 4 system train made by China Railway Rolling Stock Corp stops at a railway station in Zhengzhou, Henan province. (Text: China Daily Photo: China Daily)