Tonight, Benedict Allen's exploration of the shamanic world takes him to Central America, where he joins a group of Huichol Indians from Mexico's western Sierra Madre on their annual pilgrimage to the desert of Wirikuta in search of the peyote cactus. A powerful hallucinogen, the Huichol believe peyote enables them to communicate with the gods.
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BBC Products: book. The Last of the Medicine Men by Benedict Allen, price £17.99, and a CD featuring music from the series, from retailers