cities revision

3. an attractive and perhaps slightly unusual old building
4. a flat part at the side of a road for people to walk on
8. an area suitable for living in; consisting of houses rather than factories or offices
10. an urban area whose residents normally work elsewhere, although they live and sleep in these places
13. waste gases that come out of a vehicle, an engine or a machine
14. full of life and energy
15. to move from place to place
16. an area, especially in a city, which is dangerous for people to enter, or that the police or army do not enter, often because it is controlled by a violent group
18. an area in or near a town where poor people live in huts
19. not interesting or exciting

1. a place that is partly separated from the surrounding area, containing a public phone, in a hotel, restaurant, in the street, etc.
2. a part of a town or an area that is next to water, for example in a harbour
5. belonging to a period of history that is thousands of years in the past
6. famous and respected
7. a building or a place that is very important because of its history, and that should be preserved
9. containing people of different types or from different countries, and influenced by their culture
11. a person walking in the street and not travelling in a vehicle
12. (of a building or place) in very bad condition; that has not been taken care of
17. (of streets and roads) having a surface that is made of small round stones
18. spreading in an untidy way