For those of you who like to fly drones: At the 01.01.2021 a new regulation for flying UAS was established in the EU: Check this interesting link for more information:
https://www.kopter-profi.de/ratgeber/drohnen-gesetze-eu
You can also put the name of your drone in a search engine on that webpage and you will find, what regulation you have to respect/fulfill, depending on the model/weight of your drone.
Fly safe!