Lhasa

The 37bn-yuan ($5.7bn) track extends from the region’s capital Lhasa eastward to the city of Nyingchi, which is Tibetan for “Throne of the Sun”.

The earliest historical relic of the Tibetans—like that of many, perhaps of most, other races—is a weather-beaten stone, the Do-ring. It stands in the center of Lhasa, across the c…