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.
Skirwith cave staircase. en This is the remains of the staircase in Skirwith Cave now having been buried under recent collapse Own Snebbit Photograph by author Released into public domain free to use Ingleton North Yorkshire Caves of England Caving Subterranean stairs Skirwith Cave
Page 2023 Free-images.com. All images are Public Domain