Economy | Yunnan-Xizang Highway in SW China celebrates 50th anniversary

KUNMING, July 6 (Xinhua) -- Fifty years ago on this day, the Yunnan-Xizang Highway, a vital trunk road in China's southwestern border regions, was fully completed and opened to traffic. Stretching 715 kilometers from Xiaguan County in Yunnan Province to Mangkam County in Xizang Autonomous Region, the route crosses the Jinsha and Lancang rivers, traverses the rugged and geologically complex Hengduan Mountains, and