complexity

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Across
  1. 2. The outline of buildings
  2. 6. A large natural stream of water
  3. 8. Transportation method
  4. 10. Place to get a meal
  5. 11. Type of air pollution
  6. 12. Most populated country in the world
  7. 13. Type of public space
  8. 14. A Solvable toy
  9. 17. Person on foot
  10. 18. Bridge in Rotterdam
  11. 21. The movement of individuals or groups
  12. 23. Chinese mythical creature
  13. 24. Chinese Philosophy
  14. 25. Problem in asian cities
  15. 29. A road in the city
  16. 30. Peninsula in Hong Kong
Down
  1. 1. Chinese Language
  2. 3. Reason why Shenzhen is an young city
  3. 4. Publication containing news
  4. 5. Big building
  5. 7. Type of housing
  6. 9. World's seventh largest container port
  7. 15. Place to catch a train
  8. 16. Non-polluting form of city transport
  9. 19. Name of country who colonized Hong Kong
  10. 20. Landform that forms at the mouth of a river
  11. 22. Jewellery found in the shell of an oyster
  12. 26. Name of the river in the word 'Rotterdam'
  13. 27. Asian food
  14. 28. Interactive music entertainment system