09:50Sporting WitnessLamine Gueye - Senegalese SkierBBC World Service Duration: 9 minutes Tue 10th Jan 2017, 09:50 on BBC World Service Europe and the Middle EastAvailable for over a yearListen nowThe story of the first black African to compete at the Winter Olympics. Show more GenresSportFormatsDocumentariesBrandSporting Witness Source: BBC Online