US
Lowe and Bridges were swept away by a massive snow and ice avalanche on Shisha Pangma peak in China in October 1999
The Swiss and Austrian climbers were part of a team attempting to summit China's 8,027-metre high Shisha Pangma
The 16-year-old said from his hospital bed he had a "strong determination to do something for Tibet
Thousands of Himalayan glaciers could melt by the end of the century
The mountaineer, part of a team of three, was descending after a successful summit of the 6,839-metre high peak