The Samsara of Salmon

John Connell goes fishing in northern Spain, home to one of the oldest populations of Atlantic salmon in the world. But he discovers a world on an ecological edge - with water at dangerously low levels, distraught fishermen and virtually no fish. 'What is a fish without a river?' he asks. 'Indeed what is a river without a fish?' Producer: Adele Armstrong Sound: Neil Churchill Production Coordinator: Iona Hammond Editor: Richard Fenton-Smith