Ben's 50th Birthday Surprise

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Across
  1. 1. Northern walled city
  2. 2. Very large
  3. 5. The middle of something
  4. 8. No score
  5. 9. Hired vehicle
  6. 10. 90's/00's sitcom for 10 seasons
  7. 13. Card Game
  8. 14. Sculpted figure
  9. 18. Tall slender building
  10. 19. Street lined with trees
Down
  1. 1. A primary colour
  2. 3. Surface of the earth
  3. 4. Part of a dart
  4. 6. Vast domain
  5. 7. One born with another
  6. 9. Multiplied by
  7. 11. Quadrilateral
  8. 12. Birch or beech
  9. 15. A piece of fruit
  10. 16. Falls from the sky
  11. 17. Still in a wrapper