How much personal space does a person need?

This is a question with no standard answer, but it is a question with a range of answers.

According to some unofficial statistics, a person needs at least eight to ten square meters of private living space to maintain a relatively stable mood.

Even if it's nine square meters, if there are 200,000 people, that's 1.8 million square meters.

These square meters are not just measured on the ground with a ruler. They also need to be considered.

The content of this chapter is being updated...