5. Openings and views to the outside world or visual prospects

Except in exceptional cases (when the activity requires it), blind rooms are forbidden, and access to a certain visual prospect must be maintained. This communication with the outside world is essential to our equilibrium and enables us to "situate" ourselves in relation to the outside world. We know that, from this point of view, our visual system is very difficult to deceive. False windows in a blind room, when accepted, are not as real windows but, at best, as compensatory decoration.

However, the influence of openings on the visual ambience of the premises can, and should, be more or less strong, depending on the activity carried out and the external context. For example, when a visual task imposes a rhythm, such as assembly-line work, precautions must be taken to ensure that visual scans are not blocked by a dominant decoration or visual prospect. In this case,...