An Everest guide's miraculous survival raises questions for tourism industry

"Do I go back for the Sherpa who's probably going to rock up and be fine as he has done hundreds of times before, or do I help my fellow climber who's got no oxygen, frostbite in his fingers, and obviously, you're never far off hypothermia up there?"

— Chris Thrall , Other

"I didn't think I would be alive. I thought I would perish this way."

— Dawa Sherpa , Athlete

"As far as I know, no one has survived alone at that altitude on Everest so far."

— Pemba Sherpa , Executive

"And I turned and I said, 'Hillary, are you okay, brother?' He said, 'Yes, yes, fine Chris, please go, go'."

— Chris Thrall , Other

"'As the oxygen ran out, I couldn't walk.'"

— Dawa Sherpa , Athlete

"'When I saw him for the first time, I was so surprised.'"

— Damu Sherpa , Other

"'It was nothing short of a miracle given the conditions.'"

— Pemba Sherpa , Executive

"He recognized me is good and speaks."

— Mhendo Lhamo Sherpa , Other

"It is in itself an astonishing incident."

— Pemba Sherpa , Executive