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.
Teufelshoehle Pottenstein . Devil's Cave near Pottenstein Teufelshhle bei Pottenstein Zaubergarten im Barbarossadom own Janericloebe Teufelshhle Pottenstein Stalagmites
Page 2023 Free-images.com. All images are Public Domain