Heng Lee is a goatherd in the remote mountains north-east of Chiang Rai in northern Thailand, very close to the border with Laos. It is a tight-knit community where everyone knows one another.Heng gets sick all of a sudden, but not too sick to take the goats out, until one day he has to go to see the local shaman, because he has started fainting.There are no medical doctors in the vicinity and the Shaman has been good enough for most people for centuries.The...