For generations of adventurers, from Mallory to Hilary, Norgay to Krakauer, Mount Everest and the world's greatest peaks have provided the ultimate testing ground. But as the public's fascination with mountianeering reaches an all-time high, the question remains - why climb? In High Exposure, legendary rock climber, mountaineer and film-maker, David Breashears, answers with a captivating and intimate look at his life.