National reserve

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Across
  1. 4. exciting, thrilling, involving, interesting
  2. 6. all inhabitants of a natural environment - animald, birds, fish and so on - named collectively
  3. 7. vast, enormous, very large
  4. 8. a type of rock, whitish or greyish, used primarily for construction
  5. 10. in a dangerous way so that it is likely to fall down
  6. 12. area, territory, terrain, characterised in terms of its appearance (f.e., volcanous, mountainous, etc.)
  7. 13. relating to the production of medicine
  8. 14. a small primate found on Madagascar with thick fur and stripey tail
Down
  1. 1. a disease when someone's body cannot control the amount of sugar
  2. 2. rich in wildlife, featuring many different kinds of plants and animals
  3. 3. study, examine, analyse and research a problem in order to discover truth
  4. 5. to stick to something or to hold something tightly
  5. 9. (about an animal) active mostly at night
  6. 11. (about a tree) losing its leaves in colder seasons
  7. 15. taken account of, counted