It is Chinese tradition that we will set firework during some traditional festival and some special days. It is a symbol for celebration. But now there are some people find that setting firework has many disadvantages. First of all, it makes noise pollution. Quiet is something very precious in the current world. When people set firework, people can hear big noise around it. Secondly, air pollution is another important factor needs to be considered. We all know how serious the air pollution is to us. We have to provide a health environment for ourselves. Last, setting firework is dangerous sometimes. So, some people suggestion us do not set so much firework. 

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