Chengdu-Ya'an high-speed railway starts operation

A passenger prepares to get on board a bullet train of Chengdu-Ya'an high-speed railway at Chengdu West station in Chengdu, capital of southwest China's Sichuan Province, on Dec. 28, 2018. The newly-built Chengdu-Ya'an railway started operation on Friday. [Photo/Xinhua]

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A person dressed as giant panda interacts with passengers on the bullet train C6651 of high-speed Chengdu-Ya'an railway on Dec. 28, 2018. The newly-built Chengdu-Ya'an railway started operation on Friday. [Photo/Xinhua]

The train conductors pose for photos before the bullet train of Chengdu-Ya'an high-speed railway at Ya'an station in Ya'an, southwest China's Sichuan Province, on Dec. 28, 2018. The newly-built Chengdu-Ya'an railway started operation on Friday. [Photo/Xinhua]