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Living in a big city has many advantages like high technology, easier transportation, higher salary and much more things. Besides those advantages, citizens also have to face many issues.

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The first problem when living in a big city is air pollution. This problem is no more new to citizens who live in a city, especially in big cities. When any factories use oil, wood, coal, or any other kind of fuel, the products of that burning process like smoke, dust, fume worsen the air around us. Pollutants can also come from the increase in cars and motorbikes. They're the causes of some breathing problems as lung problems, flu, cough, heart attack. There're many ways to reduce air pollution like using public transport, using fewer plastic bags, reducing firing forests and the main thing depends on how people think about air pollution issues.

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The next problem, citizens in big cities also have to face unemployment issues. Unemployment means a talented and skillful person or students who have just come out from a university can't find a job for many reasons. Many reasons cause unemployment issues like overcrowding, slow economic growth, the bankruptcy of many companies. Unemployment issues cause many consequences: the increasing rate of criminals, poor living standards, political instability, loss of skill, health issues. As a surprise, there is not enough care on unemployment issues in many countries, despite the disadvantages on society. The government of many countries has released some solutions to solve these issues. Nevertheless, it's still not beneficial enough. The government should not only public the programs to control unemployment but also take a look at their effectiveness and revise them if they need

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The last problem which citizens in big cities face is housing. Overcrowding leads to a big problem that there are not enough places for newcomers to lend or build their own house. The first thing, the increase in houses in many cities causes the price of lands have also risen double or triple several these years. It leads to a problem that newcomers or the lower class can not afford to buy a house. The distance from the center to their company might be shorter than from a suburban one so have to spend more money on transportation. Secondly, there are too many old buildings that could collapse anytime, or some of them are no more valuable despite that they are still located in the city center. Those buildings decrease the area to build new houses that citizens in that city don't have land to build up their own house. The migration of the rural population to big cities to find new opportunities also put pressure on housing and other services and leads to the shortage of having a house

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To summarize, living in a big city has many issues we have to face. Pollution, unemployment, housing are just small parts of all problems in cities. Finding solutions for them is not easy, but we can find together to lessen cities issues.