A passenger solves riddles with a stewardess to celebrate the Lantern Festival on the train G8510 from southwest China's Chongqing to Chengdu, Feb. 11, 2017. (Xinhua/Tang Yi)
A passenger solves riddles with a stewardess to celebrate the Lantern Festival on the train G8510 from southwest China's Chongqing to Chengdu, Feb. 11, 2017. (Xinhua/Tang Yi)