5 Questions
Which percentage of climbers use oxygen to ascend to Everest's summit?
97%
At what altitude do most people start feeling breathless?
3,500 metres
How many people are typically in a climbing group?
8-15 people
How many times did Kilian Jornet Burgada ascend Mount Everest in May 2017?
Twice
How long did it take Kilian Jornet Burgada to ascend Mount Everest the second time?
17 hours
Test your knowledge on high-altitude climbing and the use of oxygen masks with this quiz. Explore the challenges faced by climbers on Mount Everest and discover interesting facts about the thin air at extreme altitudes.
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