National park

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Across
  1. 3. - a group of people that believe in taking care of nature
  2. 7. - keep something in the original state
  3. 9. - animals live together
  4. 10. - people that live in that area
  5. 12. - something needed that is important
  6. 13. - making the air, water and land dirty
  7. 14. - places with mountains
  8. 15. - animals and plants that lives naturally
Down
  1. 1. - the view of the place
  2. 2. - what can happen
  3. 4. - something nice to see and visit
  4. 5. - a beautiful view to see
  5. 6. - factor
  6. 8. - issues/ fighting
  7. 11. - can keep it more