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.
Hornfels. hu icon hu Szaruszirt de icon de Hornfels ru icon ru page is was here Commons upload by Magnus Manske April UTC User Fed on org ru Fed the above refers to ru user Fed Fed no Fed Hornfels
Page 2023 Free-images.com. All images are Public Domain