Life and death on Africa's greatest lake with explorer, Mark Weston

Want to know what it's like to live on a remote island in Lake Victoria, Tanzania for two years? Tune in to hear Mark Weston talk about his experience that involves witchcraft, infectious diseases and the world's greatest unknown ecological crisis. Mark has written about his extraordinary adventures in his book called 'The Saviour Fish' - and as Mark wrote himself, it really is about life and death on Africa's greatest lake.