A railway art team dance on the high-speed train G13 from capital Beijing to east China's Shanghai, Feb. 13, 2018. A railway art team provided free performance for passengers on train G13 as a celebration of the coming Spring Festival.(Xinhua/Zhan Chenlin)

A railway art team rehearse on the high-speed train G13 from capital Beijing to east China's Shanghai, Feb. 12, 2018. A railway art team provided free performance for passengers on train G13 as a celebration of the coming Spring Festival.(Xinhua/Zhan Chenlin)