Event in the Belle II detector

Links
- https://www.physik-astro.uni-bonn.de/belle2-masterclass/en/files/picture-homepage/event_belle_detector/image_view_fullscreen
- https://www.physik-astro.uni-bonn.de/belle2-masterclass/en/files/picture-homepage/event_belle_detector/@@download/image/examples_ee_eng-1-1-768x576.png