Bent NIELSEN

Historical illustration from an edition of The Travels of Marco Polo. The original caption reads: “Ho-nhi and other Tribes in the Department of Lin-ngan in S. Yun-nan (supposed to be the Anin country of Marco Polo).”
Covering an area about the size of the state of California, Yunnan Province in the south of China is a mountainous region whose climate ranges from temperate to subtropical to tropical. About a third of