EXP2: 2 Moving elements

1. The floor on the middle of the second floor that can move. 

If the small lecture in the middle which occpupied two storeis are not be used, the floor on the second floor will be in this status. students might have group study in this area, and provide more privacy to the second floor.

The middle floor will be hidden when the small lecture room are used, this small lecture room will be used for group presentations and temporary lectures.

2. The railing that can move 

The move railing will be used if the there is a strong sunshine across the window, it have extra protection of the sunshine.