THE WORLD-FAMOUS Old Silk Road was first opened up in 139 B.C. by Zhang Qian. More than 1,400 years later, the Italian Marco Polo traveled along the same route, entering China from the northwest in...
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THE WORLD-FAMOUS Old Silk Road was first opened up in 139 B.C. by Zhang Qian. More than 1,400 years later, the Italian Marco Polo traveled along the same route, entering China from the northwest in...