Genome: [r4 Bd=19880117]Chris Bonington has been one of the world's leading mountaineers for a quarter of a century.

While climbing a rock face a few miles from his home in the Lake District, he reflects on his years among some of the world's 's highest and most treacherous peaks and recalls what it meant to him to actually stand on the summit of Everest.

Genome: [r4 Bd=19880117] Unknown: Chris Bonington