Bildnachweise

annaberg-buchholz | adobe | bajo57
https://stock.adobe.com/de/images/annaberg-buchholz/229119252

Blick auf Aue im Erzgebirge | adobe | Animaflora PicsStock
https://stock.adobe.com/de/images/blick-auf-aue-im-erzgebirge/225189784

Pretty teacher smiling at camera at back of classroom | adobe | WavebreakmediaMicro
https://stock.adobe.com/de/images/pretty-teacher-smiling-at-camera-at-back-of-classroom/202523652

I'm prepared for exam very well | adobe | gpointstudio
https://stock.adobe.com/de/images/i-m-prepared-for-exam-very-well/86334373

Young smiling happy excited overjoyed caucasian man wear yellow t-shirt showing thumb up like gesture look camera isolated on plain pastel light purple background studio portrait. Lifestyle ... | adobe | ViDi Studio
https://stock.adobe.com/de/images/young-smiling-happy-excited-overjoyed-caucasian-man-wear-yellow-t-shirt-showing-thumb-up-like-gesture-look-camera-isolated-on-plain-pastel-light-purple-background-studio-portrait-lifestyle-concept/580553063

students in park | adobe | yanlev
https://stock.adobe.com/de/images/students-in-park/204265294

Group of teenagers making different activities sitting in an urb | adobe | oneinchpunch
https://stock.adobe.com/de/images/group-of-teenagers-making-different-activities-sitting-in-an-urb/106130956