In tonight's edition of the countryside guide, Ray Mears builds emergency snowholes in the Cairngorms, and Simon King shows how to get a close-up look at badgers.
Dr Richard Fortey , the Natural History Museum's head of fossils, visits a stretch of Sussex coastline to explain how chalk cliffs are formed. The Tracks guide to trees focuses on the beech.
Producer Kathryn Moore ; Series producer
DickColthurst Stereo ...........................