Take the train from Xi'an North to Lanzhou for about 3 hours. Take the morning car. After a half-day tour, in the evening<br/>Lanzhou takes the train to Dunhuang. Reference train number Y667 Y661 K367, etc. Visit Mogao Grottoes, Mingsha Mountain, Crescent Spring and Devil City<br/>Dunhuang Take the K4931 at 19:18 to visit Hami<br/>Hami takes the train back to Xi'an