You can still listen to BBC iPlayer Radio via your browser by visiting bbc.co.uk/radio
Back up to: The Essay
4/4 Robert uncovers some of Mount Minya Konka's secrets as he descends.
3/4 Robert Macfarlane travels to the heart of China to visit the holy peak of Minya Konka.
2/4 Robert Macfarlane explores nature in China, visiting the Great Wall.
1/4 Robert Macfarlane joins veteran winter swimmers in a Beijing park.