For thousands of years, only humans and horses treaded the mountains of Southwest China as they followed an ancient pathway through the Chinese hinterlands and the Qinghai-Tibet Plateau. Along the unpaved and rugged p...For thousands of years, only humans and horses treaded the mountains of Southwest China as they followed an ancient pathway through the Chinese hinterlands and the Qinghai-Tibet Plateau. Along the unpaved and rugged pathway that was formed, commodities like tea, salt and sugar f lowed into Tibet.展开更多
文摘For thousands of years, only humans and horses treaded the mountains of Southwest China as they followed an ancient pathway through the Chinese hinterlands and the Qinghai-Tibet Plateau. Along the unpaved and rugged pathway that was formed, commodities like tea, salt and sugar f lowed into Tibet.
