The public enters on the back and on the sides of the audience halls. Public environments Opera Hall lobby While entering the lobby, the Opera Hall can be discovered as a cube. The cubes’ mineral façade is covered by a thin water film which gives a light vibration effect to the volume. On each side vertical circulation is organized with stairs, bridges and glazed lifts. The spiral type arrangement let pass the spectators close to the shell as well as to the opera cube. On top of the opera cube a reception lobby can be found. This area has can be run independently and can be closed for spectators. Independent access can be organized from the lateral building. The reception area gives a spectacular view to the roof shell and down to the audience lobby. Opera Hall