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.
Kircher Mundus Subterraneus Etna . Illustration of Mount Etna as observed by the author in From Athanasius Kircher's Mundus Subterraneus Athanasius Kircher PDold Mundus Subterraneus Etna eruptions in art
Page 2023 Free-images.com. All images are Public Domain