Passengers wait to enter the Zhengzhou Railway Station in Zhengzhou, capital of central China’s Henan province, Jan 22, 2017. The railway system in Zhengzhou witnessed a travel rush due to the coming Spring Festival, or Chinese Lunar New Year, which falls on Jan 28 this year. [Photo/Xinhua]

Passengers wait to enter the Zhengzhou Railway Station in Zhengzhou, capital of central China’s Henan province, Jan 22, 2017. The railway system in Zhengzhou witnessed a travel rush due to the coming Spring Festival, or Chinese Lunar New Year, which falls on Jan 28 this year. [Photo/Xinhua]

Passengers wait to aboard at Zhengzhou Railway Station in Zhengzhou, capital of central China’s Henan province, Jan 22, 2017. The railway system in Zhengzhou witnessed a travel rush due to the coming Spring Festival, or Chinese Lunar New Year, which falls on Jan 28 this year. [Photo/Xinhua]