"City Solutions: A Crossword on Urban Challenges"

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Across
  1. 5. Growth
  2. 7. spaces Parks
  3. 8. Disturbance
  4. 9. Contamination
  5. 11. Overflow
  6. 12. transport Transit
  7. 14. City-growth
  8. 15. Jam
  9. 17. Eco-friendly
  10. 19. Dwellings
  11. 20. Facilities
Down
  1. 1. Shantytowns
  2. 2. Regulation
  3. 3. Reuse
  4. 4. Revitalization
  5. 6. scarcity Drought
  6. 10. Congestion
  7. 13. Movement
  8. 16. Garbage
  9. 18. quality Pollutants