Although people love festivals very much, there are also some disadvantages. First, festivals are very costly. Because the general purpose of festivals is to preserve cultural heritages, a nation is willing to spend a lot of money on this. Moreover, during a festival, most people do not work but spend money on expensive gifts for their friends and relatives. Second, festivals can be dangerous. People may drink a lot during a festival and cause road accidents. In many festivals, there are races like cow-racing and elephant racing which may be dangerous, especially for children. Moreover, in some festivals, when people rush to see the events, they may also cause other people to get hurt. Third, festivals may affect the environment. After a festival, the roads are full of colorful paper, flowers, waste cans or bottles that people throw away. Trees along the roadsides may be damaged by the crowds. Furthermore, the noise from music and other performances also cause noise pollution.