Cities are very crowded. Everywhere there are crowds: on the pavements and in the buses. What is more, the traffic is heavy and city's car parks are always very full. Sometimes it is very difficult to get from a given place to another. It may take hours! Moreover, the other disadvantage is the safety in a city, but actually the lack of safety. There is a big crime rates in cities. So you have to be very careful at nights when you leave your home.