Centuries after its construction, China’s Great Wall remains one of humankind’s engineering marvels. At over 21,000km (13,048 mi) in length, the Wall is a trip in and of itself. You won’t tackle the whole thing on this 10-day trip, but you’ll return home with a deeper understanding of life that goes on around and upon it. The Beijing-to-Beijing route will take you to small villages that have stood...