K2 is the world's second highest mountain, but its savage reputation is second to none. The loss of Alison Hargreaves and six companions in 1995 was a grim echo of the multiple deaths in 1986 and of earlier disasters which have become part of climbing legend. K2 has always attracted the greatest names in mountaineering. Wiessner, Houston, Bonatti, Diemberger and Bonington are among those whose lives have been permanently scarred by their experiences...