In previous treks he has lost climbing partners , been struck by rock fall causing him to slide down 1,000 feet , and has even been called into question about the authenticity of his lightening fast ascents .
Steck is no stranger to the Annapurna .
In previous treks Steck has lost climbing partners , been struck by rock fall causing Steck to slide down 1,000 feet , and has even been called into question about the authenticity of Steck 's lightening fast ascents .
Steck is no stranger to the Annapurna .