Countryfile - 04/02/2007

The people and the stories at the heart of the British countryside. John Craven and Ben Fogle head underground to explore the caves of the Hope Valley in Derbyshire including the world-famous Blue Cavern. Adam Henson asks if it's possible to reduce the number of unsightly roadside signs without compromising safety. Juliet Morris finds out how the Yorkshire countryside inspired one of our greatest literary families, the Brontes.