Feature: From Xi'an to Rome on foot, one man's journey along the modern Silk Road

By Xinhua Writer Ren Yaoting

ROME, Oct. 24 (Xinhua) -- Under the autumn sun, 34-year-old Cheng Long stood before the Colosseum in Rome, Italy, a battered rucksack at his feet. In a plain blue T-shirt, skin browned, and hair tousled by wind, he looked every bit the itinerant traveler -- and the endpoint of a two-year walk that began in China's Xi'an and traced the modern echoes of the ancient Silk Road across Eur