Briefly describe the tourist areas in China. What are the tourist areas?

There are many different ways to divide tourist areas in China. In most tourist geography books, in order to take care of the interests of all parties, the whole country is divided into several tourist areas on average, and all provinces are in tourist areas, regardless of priority. I don't know that the distribution of tourism resources in different regions is very different. A more realistic approach should be to delimit the key tourist areas nationwide first, and then discuss the scattered tourist areas. According to personal observation and practice, there are six important tourist areas of national significance and interrelated: