As at the border between Russia and Mongolia, the crossing into China was a rather sweaty affair involving more officious border guards and customs officers, and lengthy checking procedures.

• 像从俄罗斯进入蒙古一样，从蒙古进入中国也是让人出汗的事情，边境士兵和海关官员更加一本正经，检查程序时间更长。