A thousand-year-old stone road in Qingyang City in China's Gansu province could prove the existence of the northern section of the ancient Silk Road in the province, according to a researcher.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline
