Across
- 3. Cities which play a disproportionate role in world affairs
- 7. Land that has not been built on
- 12. When people leave cities and move to suburbs or the countryside
- 13. When people move to the edge of cities
- 15. - The business region of a city
Down
- 1. A city with over 10 million people
- 2. An unofficial economy - no contracts, cannot be taxed
- 4. Redeveloping former industrial areas or housing to improve them
- 5. The number of people left after subtracting those leaving from those arriving
- 6. The closure of industries
- 8. - Communities of migrants who share a similar background
- 9. The process of more people moving to towns and cities
- 10. - A continuous urban area
- 11. A factor encouraging someone to leave their home
- 14. Land that has already been built on