One of the most disadvantages is overcrowded places. When you go to the shopping mall or supermarket and have to wait in a long queue just to buy a small thing such as a bottle of water or a pack of bread. This makes you so easily get angry, but you can't do anything because that is life.

The disadvantages of the overcrowded places are: First, there will be more traffic jams and also traffics jams appear more often. Second, the overcrowded places will be more polluted.Next, the overcrowded places will be covered with noises from people, animals and vehicles,etc. And lastly, the overcrowded places has more chance to appear crime.