There is a special study room, which is quite big. You may need to put on more clothes. There are many people. If you go late, there will be no place.
Then there are several rows in the hall. There is no air conditioning, no heating, and it is not very cold, but there is no such seat if you go late.
In short, if you want to study, you must go early.
Reading and self-study are on the first floor. Go down, turn left to the reading room and turn right to the study room on the top floor.