Final ceremony Class of 2023

Links
- https://www.zei.uni-bonn.de/en/about-zei/news/final-ceremony-class-of-2023/news_final-ceremony-2023.jpg/image_view_fullscreen
- https://www.zei.uni-bonn.de/en/about-zei/news/final-ceremony-class-of-2023/news_final-ceremony-2023.jpg/@@download/image/news_final-ceremony-2023.jpg