Secrets of the Silk Road ()

The Silk Road, one of history's most famed trade routes, linked China to Europe, the Middle East and India and was traveled by such legends as Alexander the Great, Marco Polo and Genghis Khan's Mongol warriors. Follow in the footsteps of the iconic figures and see how the road's ancient past is wrapped up in the fast-changing world of modern China, particularly the country's remote western region.