adventurous crossword 'B'

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Across
  1. 4. a protection from danger or from wind, rain, hot sun etc
  2. 7. under the surface of the water
  3. 10. a precious stone which is used to decorate valuable objects
  4. 11. the activity of travelling in a kayak
  5. 14. someone who travels to places where no one has ever been
  6. 16. an optical instrument which is used to view distant objects
  7. 17. a drawing which shows the Earth's surface
  8. 19. opposite to the West
  9. 20. a person who searches for things underwater
Down
  1. 1. an area, often covered with sand
  2. 2. opposite to North
  3. 3. a group of valuable things such as gold, silver, jewels
  4. 5. the sport of jumping out of an aircraft with a special parachute
  5. 6. a large hole in the side of a hill
  6. 8. opposite to the East
  7. 9. an activity which could harm you is .......
  8. 12. a bag used for carrying things on your back
  9. 13. an instrument which shows the North, South, East and West
  10. 15. the sport or pastime of travelling down a river on a raft
  11. 18. opposite to the South