Don't worry about the dormitory, it has air conditioning and solar energy. Air conditioning will be turned on in May every year, while solar energy will be turned on all year round, and it will be turned on in winter and even in the morning to provide hot water for students.
So don't think porcelain is backward, it is developing every year. I don't know what will happen this year, but it will always develop in the opposite direction.
Look at the porcelain capital, I just graduated this year, and the above understanding is true.