Blind climber Erik Weihenmayer and his team's highly successful ascent of Mount Everest along with four other remarkable milestones on the mountain. Time magazine called this the most successful Everest expedition of all time.
Overview：Blind climber Erik Weihenmayer and his team's highly successful ascent of Mount Everest along with four other remarkable milestones on the mountain. Time magazine called this the most successful Everest expedition of all time.
