When magnificent 16th-century bronze casts were discovered in the kingdom of Benin in 1897, many could not believe they had been made by Africans. It was thought West Africa lacked the technical development required to make them. Dr Casely-Hayford travels to present-day Nigeria and Mali in search of the truth, exploring what the bronzes mean, how the technology to make them developed, and what it reveals about the lost kingdoms of West Africa. (thetvdb.com)