Reviewed by GREG KINGDirector: John TrengroveStars: Nakhane Toure, Niza Jay Ncoyini Bongile Mantsai.From South African filmmaker John Trengrove comes this controversial coming of age film about a group of adolescent boys of Xhosa background who are taken to a remote bushland for their traditional manhood initiation ceremony of ulwaluka – i.e.: a circumcision. It is a dangerous …