This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Kantonsschule Sursee . OG. Obergeschoss der Kantonsschule Sursee own Bjferstern at org de Bjferstern Original upload log page de OG Bjferstern bytes no Andere Versionen Kantonsschule Sursee
Page 2023 Free-images.com. All images are Public Domain