A laminated note on a tree in a forest with a stylised picture of a drone with an attached comically large camera, and the Swedish text KAMERABEVAKNING OBEMANNAT LUFTFARTYG and the Swedish police logo at the bottom
https://media.spejset.org/media_attachments/files/111/046/751/406/024/369/original/871d1e1085bc2a3c.jpeg