1. In the world, there are many cities which are facing the overcrowding.

2. Saigon is the most populous city in Vietnam with the population is about 8,6 million.

3. Overpopulated cities in public transport have usually overcrowded especially in rush hour.

4. A large number of people have been moving from the countryside to the cities in recent years.

5. There are more job opportunities in the big cities than the rural areas, aren't there?

6. Local goverments have to find a solution for housing shortage.

7. A lot of people who are homeless suffer from health problems.

8. Over the ten years the population in the world will grow by 1 million.

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1. There are many cities in the world which are facing overcrowding.

2. Saigon is the most populous city in Vietnam with a population of 8,6 million.

3. Overpopulated cities usually overcrowded in public transport, especially in rush hour.

4. A large number of people move from the countryside to the city in recent years.

5. There are more job opportunities in big cities than in rural areas, aren't there?

6. Local governments have to find a solution / solutions to the housing shortage.

7. A lot of people who are homeless suffer from a health problem.

8. Over the next ten years, the population of the world will grow to 1 billion.