Saussey's surprise :)

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Across
  1. 3. people living in cold
  2. 4. The biggest desert,in Africa.
  3. 5. The biggest rainforest,in south Africa.
  4. 7. Autarchy
  5. 8. freezing place
  6. 9. House made of ice
  7. 10. Long river in Africa,the longest
  8. 12. Humid forests
  9. 13. The number of person
Down
  1. 1. Little forest part in a desert
  2. 2. Range of mountains between Nepal,India and China
  3. 5. Hot and dry place
  4. 6. Something caused by nature , we cannot prevent it
  5. 11. artic and antarctic