Mt Everest

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Across
  1. 2. Tragedy on mountain in 1989. (2 words)
  2. 6. Everest so tall it penetrates the ?
  3. 10. Second tallest mountain Tibetan name (2 words).
  4. 12. Peak of a mountain.
  5. 13. First woman to summit Everest (2 words).
  6. 15. Mythical creature supposedly living on Everest.
  7. 18. Australian climber 2006 found alive after being left for dead day before.(2 words)
  8. 20. Species of cow found on Everest.
Down
  1. 1. Name of overnight stay on way up. (2 words).
  2. 3. Tibetan name for Everest is Qomolangma. English translation? (2 words)
  3. 4. Highest altitude plant species found on Everest.
  4. 5. Type of axe vital for climbing Everest.
  5. 7. First man to set foot on summit. (2 words)
  6. 8. Dreadful medical condition where blood freezes.
  7. 9. Everest located in this country.
  8. 11. Possibly the first to summit. Body found in 1999. (2 words)
  9. 14. Mountain range in which Everest is located.
  10. 16. Best season to climb Everest.
  11. 17. First name of man after whom Everest is named.
  12. 19. Surname of first Nepali/Indian to reach summit.