The prerequisite for an even distribution of light is a sufficiently high room. Indirect illumination should be mounted above eye-level. The distance from the ceiling depends on the level of evenness required and should be at least 0.8 m.

Indirect general lighting for:
- working areas
- multifunctional rooms
- pedestrian traffic areas

Preferred luminaire groups
- light structures
- uplights

British Museum, London

Ezeiza Airport, Buenos Aires

Eremitage, St. Petersburg

Villa, Salzburg