On foot, by rattling truck and local bus, by jeep and motorcycle, American poet and musician Scott Ezell explores the Tibetan borderlands. Plotted with a line drawn on a map in Hong Kong, the journey starts in Dali, in the foothills of the Himalaya in southwestern China. The road extends north a thousand miles through towns and villages along the edge of Tibet, finally arriving at Kekexili, the highest plateau in the world, and crossing the Kunlun...