C116 The Eighth Quarter Sister
I don't know how this stone room was designed, but there are holes in it that let out some light. Judging from the current light, it was quite bright. It should be able to read books and make other things. There was a kerosene lamp at the corner of the wall. It was probably for those who were confined at night.
Lin Zhongtian looked at the environment and thought that the door had been locked