C1099 Southern Pearl

Lin Tong asked: "What's a stepping stone bed?"

Professor Lin gave her a general idea about the origin of the step bed.

"Look at this first floor, which is the place where we entered. There is a flower rack on the left side and a place on the right to wash our hands.

At the top level, there was a 1.5 meter long wooden board on the left and right side, which were two feet wide