03:50Witness HistoryUNESCO and race and toleranceBBC World Service Duration: 9 minutes Tue 29th Dec 2020, 03:50 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowHow UN's educational and cultural wing fought racism and advocated tolerance. Show more GenresFactualHistoryFormatsDocumentariesBrandWitness History Source: BBC Online