Kwa wale mnaomkumbuka mfanya biashara wa watumwa Tippu Tip, sikiliza story yake hapa.
http://downloads.bbc.co.uk/podcasts/worldservice/afpersp/afpersp_20110903-0900a.mp3
http://downloads.bbc.co.uk/podcasts/worldservice/afpersp/afpersp_20110903-0900a.mp3