What are the traditional cultural beliefs and practices surrounding the use of the "China bathroom hole" in certain regions of China?

In certain regions of China, there is a traditional cultural belief that using the "China bathroom hole" is more hygienic and healthier than using a regular toilet. This practice is rooted in the belief that squatting over a hole allows for better elimination of waste and reduces the risk of certain health issues. Additionally, some people believe that using the "China bathroom hole" is more environmentally friendly as it requires less water for flushing.