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.
Solaranlagekantikuesnacht. de Die Solaranlage auf dem Dach des Klassentrakts own Dieniraser Solar cell panels on roofs Solar power in Switzerland Kantonsschule Ksnacht
Page 2023 Free-images.com. All images are Public Domain