city-state overcrowding urban sprawl jet lag
factor lighthouse metro index
1. an independent state consisting of a city and the area around it …………………..
2. an underground train system …………………..
3. a system that shows the level of prices and wages, etc. so that
they can be compared with those of a previous date. …………………..
4. the feeling of tiredness and confusion after you fly between
places that have a time difference of several hours. …………………..
5. a tower with a powerful flashing light that guides ships away from danger. …………………..
6. a fact or situation that influences the result of something …………………..
7. the situation when there are too many people or things in one place …………………..
8. the spread of a city into the area surrounding it, often without planning …………………..