A little Crossword

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Across
  1. 3. state where Bochum is placed in
  2. 7. exchange school...
  3. 8. where you can study
  4. 9. something you can see at night
Down
  1. 1. something delicios with sausages
  2. 2. something with mines in Bochum
  3. 4. the world champion of soccer... :)
  4. 5. a place where you can see stars
  5. 6. soccer in Bochum