6 Cubicles with curtains closed

Links
- https://www.econ.uni-bonn.de/bonneconlab/images/6-cubicles-with-curtains-closed.jpg/image_view_fullscreen
- https://www.econ.uni-bonn.de/bonneconlab/images/6-cubicles-with-curtains-closed.jpg/@@download/image/62014Cubicles with curtains closed.jpg