First, city life and countryside life are different from population. There are many people who live and work in there. Moreover, it also attracts many people attraction because of job opportunities. People who live in big city have often had many choices to do what they want and what they want to become. In contrast, there are much lower the pollution of people who are living in country. Job opportunities in countryside is also lower than the city. For example, the most of people who live in country area is famer and their specific work is farming and castle-breeding. Thus, the choices and opportunities of people who live in rural area almost don’t existence.