City of the world

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Across
  1. 2. Easter Island
  2. 5. S_____ opera house
  3. 7. B_____ wall
  4. 9. Basílica de la Sagrada Família
  5. 11. St Basil's cathedral
  6. 12. First city Germany invaded Poland
Down
  1. 1. statue of liberty
  2. 3. Hollywood
  3. 4. Big ben
  4. 6. Burj khalifa
  5. 8. Colosseum
  6. 10. Eiffel tower
  7. 13. Tower of p___