To live in a big city was only a dream for so many people in the past. However, now that living standards have improved and more people have moved into urban environments, human welfare has become a concern. Notably, city life can harm our health both physically and mentally. The sources of this danger include air pollution and our own anxiety from coping under stress. In my opinion, we can still flourish in a big city by maintaining a suitable lifestyle. First, big city design typically allocates sufficient green space to see the trees and flowers that so please our eyes. Also, there are many public parks that offer spaces for physical exercise. Most importantly, convenient and speedy transport permits easy escape to natural areas that surround the city. TO BE CONTINUED.

Living in big cities was a dream to so many people in the past, however, as living standards have improved, some concerns on health have risen among human beings. (This sentence is unnecessary) Some people believe that residing in big cities can cause harm to health both mentally and physically, for reasons such as air pollution, and anxiety from the fast-paced environment. In my opinion, maintaining one’s health depends on a suitable life style, by living in a big city we can still benefit our own health. In terms of physical health, firstly, big cities are usually planned with a specific percentage of green space, which means, people have lots of opportunities to see trees and flowers which are good for our eyes. (Are you saying that looking at trees improves eyesight?!! This more relates to mental health)Also, there are many free parks open for the purpose of physical exercise. Most importantly, convenient and speedy transportation allows us to easily travel to natural areas outside cities. (How is this good for physical health?) Regarding mental health, as far as I am concerned, it relies more on individual efforts. We should try to maintain and control our emotions no matter where we live. Living in a big city means that we can develop hobbies for entertainment and to fulfill our mental needs. For instance, attending yoga clubs, tasting various delicacies, visiting different kinds of themed exhibitions and so on. In conclusion, there is no doubt that people can develop their own healthy life styles even in big cities, because there are many ways that can bring benefits for both their mental and physical health. Therefore, I disagree with the argument that residing in big cities is bad for people's health. 258 words

In the past, many people's dream was to live in the city. However, as living standards have improved, some concerns about health have arisen. It is said that residing in big cities can harm your mental health - for example, a person can become anxious due to the fast pace of cities. Furthermore, physical health can be impacted by issues such as air pollution. In my opinion, maintaining one's health depends on a proper life style. In terms of physical health, firstly, big cities are usually planned with a specific percentage of green space, which means that people have the opportunity to see trees and flowers, which are good for your eyes. Also, there are many free parks open for the purpose of physical exercise. Most importantly, the convenience and speed of transportation allows you to travel to natural areas outside cities with ease. Regarding the mental health, as far as I am concerned, it relies more on an individual's efforts. You should try to control our emotions no matter where we are. When you live in a big city, you still can develop a hobby to entertain and fulfill your mental needs. For instance, attending yoga clubs, tasting various delicacies, visiting kinds of themed exhibitions and so on. In conclusion, it is undoubtedly true that people can live a healthy life style, even in big cities, because there are many ways they can promote both mental and physical health. Therefore, I disagree with the argument that residing in big cities is bad for people's health. 258 words