Important periods for the Silk Road were the Chinese Han dynasty (206 B.C.E.-C.E. 220), the Chinese Tang dynasty (C.E. 618-907), and the Mongol Khanate (13th and 14th centuries). The Mongols, who ...

The Silk Road, the ancient trading route that spanned from Asia toward the West, is where we find journalist Paul Salopek these days. Salopek began his "Out of Eden" walk four years ago in Ethiopia.