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.
Bergwerk Mittlerer Schmutzler Stollen . de Eingang des Mittleren Schmutzler Stollen own Sven cczero Uploaded with Historischer Bergbau Goldkronach Nature of Goldkronach Gold mines Photographs taken on
Page 2023 Free-images.com. All images are Public Domain