Culture at the world’s greatest altitude… a Qinghai documentary. 　　Did Marco Polo really make it to China? Did he spend 17 years in the company of the Emperor Kublai Khan? 　　On his death bed he claimed, “I have only told you half of what I saw!” We believe him. 　　The famous Venetian explorer, traveled to China on the Silk Road across the Roof of the World, the source of the mighty Me...