In 1978 Messner and Habeler became the first to make a successful ascent and descent of Everest without using supplementary oxygen. This is Messner''s account of this landmark in the history of human physical endeavour.'
In 1978 Messner and Habeler became the first to make a successful ascent and descent of Everest without using supplementary oxygen. This is Messner''s account of this landmark in the history of human physical endeavour.'