i live in a big city which is impresive beauty,and mulit-national culture as well as increasing number of people.I like living in a big city, which makes my life very convenience.For instance. I can buy erverything i like in the supermarket. i can receive a high quality education in school. Hoerve, there is many unforeseen and unpredictable proplem in my city.More and more people go to my city to find a job because of high salary.The increasing people make our city dirty and crowd.