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.
Amsteggeneratorhalle. Unterirdische Generatorhalle des Kraftwerks Amsteg Generator cavern of the Amsteg power plant own bahnbilder ch Kabelleger David Gubler Bahnbilder ch Kraftwerk Amsteg
Page 2023 Free-images.com. All images are Public Domain