Bildquellen:
- Startpage Images from Wikipedia
- User:Matthias Süßen, Grosser Plöner See msu2017-9930, CC BY-SA 4.0
- Pkw98 [CC BY-SA 3.0], via Wikimedia Common
- https://commons.wikimedia.org/wiki/File:Pl%C3%B6n_Panorama_Ploener_See.jpg
- Photo by Marion Michele on Unsplash
