Kate Humble, Bill Oddie, Bill Bryson, John Craven and Clarissa Dickson Wright discuss television's changing relationship - and recent obsession - with the countryside. What explains the huge appeal of shows like Countryfile and Lambing Live to an urban audience? Is television helping to bring town and country together, or is the gap getting larger? The programme remembers the pioneers of Welly Telly, like Phil Drabble, Jack Hargreaves and Hannah... see more