A train carrying aluminum products departs from Gongxing station of the Chengdu-Kunming Railway and heads for Hanoi, Vietnam on April 18, 2022. This is the first customized train from Chengdu's airport to Hanoi. So far, Chengdu has operated 52 international trains, transporting more than 2,000 containers with a value of 320 million yuan ($50 million). Photo: cnsphoto