Across
- 4. the path for people to walk on beside the road
- 5. dirty air or water caused by the city
- 6. an underground train system in big cities
- 7. a place where people can safely cross the street
- 9. a building where important objects are shown
- 10. the most important city of a country
- 12. many cars, buses and bikes on the road
- 14. a place where products are made
Down
- 1. the central and busiest part of a city
- 2. a building or statue that remembers an important person or event
- 3. the number of people living in a place
- 6. a very tall building in a city
- 8. an open public space in the centre of a city
- 11. a part of a city where people live
- 13. a large place where sports and concerts happen