John McCarthy looks at natural navigation with Alison Steadman who has been learning from the adventurer Tristan Gooley how to find and follow directions using only the signs provided by the weather and the landscape. Leading guide Kevin Albin talks about snow shoeing in the Pyrenees and sun bears in Borneo and British Indian novelist Rana Dasgupta explains why he is fascinated by Bulgaria and post-colonial India.

Producer: Harry Parker.