The floor 27a of the tower CB31. There is no access for the stage 27 occupies 2 levels over its entire surface.

The floor 35 of the tower CB31.

The floor 27a is now a huge reception hall divided into three branches of the CB31 Tower.

The smoke exhaust vents at the top of the CB31 tower.

On the new map of CB31 evacuation of the tower, we recognize the pillars of triangular shape. Before the big renovation site of the tower, these pillars were outside of the structure.

The large rooms upstairs 27bis of the tower CB31 are equipped with acoustic panels to eliminate echoes.

One of the many CB31 Tower triplex.

Construction of staircases of the tower CB31.

A window frame a bit unusual, found on all floors of the CB31 tower.