Jiang Jiu, an 82-year old veteran of the tea-horse route (the Cha Ma Gu Dao), reminiscing in his house in Adong, a Tibetan village in a side valley off the upper Mekong (Lancang), near the Tibetan border, north of Deqin, Yunnan, China. Adong is on the old tea-horse route, the Cha Ma Gu Dao.