What is the death zone on Mount Everest?

Related questions

1. How many people climb Mount Everest a year?
2. Has anyone got to the top of Mount Everest?
3. How should I prepare for Everest?
4. Do Sherpas go to the top of Everest?
5. How difficult is base camp Everest?
6. What happens to your body in the death zone?
7. Is Aconcagua dangerous?
8. Can you drive to Everest Base Camp?
9. Was Bear Grylls really in the SAS?
10. Are bodies left on Mount Everest?

Tags

1. #climbers
2. #enough
3. #available
4. #metres
5. #death
6. #usually
7. #breathe
8. #mount
9. #oxygen
10. #everest
11. #above
12. #humans
13. #there
14. #where
15. #mountain
16. #altitude