The student taking classes in traditional culture

At North Railway Station in Xi'an, capital of the northwestern province of Shaanxi, Ashurov Aziz was busy assisting passengers on the high-speed rail line by carrying their luggage and helping them have their photos taken.

He also handed out traditional Spring Festival couplets to passersby.

"Please stay behind the yellow line," said the Tajikistan native in fluent Chinese, while helping a woman to insert her ticket into the checking machine.