guardian: Nigerian Yaruba dressed as voodoo spirits perform during a voodoo ceremony in Ouidah, Benin. Each spirit represents the reincarnation of a dead member of the Nigerian Nagu clan Photograph: Dan Kitwood/Getty Images
guardian: Nigerian Yaruba dressed as voodoo spirits perform during a voodoo ceremony in Ouidah, Benin. Each spirit represents the reincarnation of a dead member of the Nigerian Nagu clan Photograph: Dan Kitwood/Getty Images
