Mountains of my life

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Across
  1. 1. a place with temporary accommodation of huts
  2. 6. a storm of heavy hail
  3. 7. a thing that blocks one's way
  4. 8. Highest point of mountain
  5. 10. worn over mouth or nose to prevent inhalation of dust or snow
  6. 18. a journey undertaken by a group of people
  7. 19. sudden fall down
  8. 20. rise or move up
  9. 21. the available body of fact
Down
  1. 2. a person who takes part in mountaineering
  2. 3. not having official permission
  3. 4. injury to body tissues caused by exposure to extreme cold
  4. 5. following the order in which events occur
  5. 9. a portable shelter made of cloth
  6. 11. gas used to breathe
  7. 12. a weight hung from a fixed point to swing freely
  8. 13. an uprise structure
  9. 14. a situation involving exposure to danger
  10. 15. an act of defeating an enemy
  11. 16. an event causing great suffering
  12. 17. a mass of snow ice and rocks rapidly falling down