Klassenzimmer https://www.bfb.uni-bonn.de/bilder/colourbox9096886.jpg/view https://www.bfb.uni-bonn.de/bilder/colourbox9096886.jpg/@@images/image-1200-251ee1367f51267de14f4c2bf3b87b07.jpeg Klassenzimmer COLOURBOX9096886.jpg image/jpeg Type image/jpeg Dimension Dimension 4288x2848 Size File size 5.0 MB Download View full-size image
