Here’s a woodblock-printed map of Yunnan province’s Jizu Shan (雞足山) – Chickenfoot Mountain – which peaks at 3240m east of Erhai Lake and the old walled town of Dali. According to the artist Huang Xiangjian, who painted a colour landscape scroll of the mountain in 1656, Jizu Shan got its name because “it is formed with three ridges in front …