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1. Over 8000 metres above sea level
2. Located in the Himalayas
3. Had an earlier first ascent
Everest: 29 May 1953, K2: 31 July 1954
4. Also known as Chomolungma
5. First discovered by Col. T.G. Montgomerie
6. Has a summit-to-death rate of over 10%
K2 has summit-to-death ratio of 22%, while for Everest, this is 3%
7. Located on the border of two countries
Everest is located between Nepal and China, while K2 is located between Pakistan and China
9. Home to Jumping Spiders
10. Has a steep narrow couloir called The Bottleneck