The world

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Across
  1. 6. there are many in the sky
  2. 7. there are 5 on earth
  3. 8. this is a small city
  4. 9. we live in these
Down
  1. 1. cities are divided into these
  2. 2. this is the most important city of a country
  3. 3. this is water crossing a country
  4. 4. we live on this planet
  5. 5. this is a small ocean
  6. 7. these are on all the continents