Civilizations

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Across
  1. 2. Opposite of destroy
  2. 5. Something in the city is called ...
  3. 6. Something in the countryside is called ...
  4. 7. You leave it behind you when you walk on snow
  5. 10. Middle of circle
  6. 11. We study it with geography
  7. 12. Sun does it at 6:00
Down
  1. 1. When civilizations die
  2. 3. France did it to Algeria
  3. 4. 1600 we had horses, now we have cars
  4. 8. Related to the internet: A web ...
  5. 9. Flowers do it every morning
  6. 10. Sahara