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.
River Stones. en River stones publicdomainimage html Publicdomainimage Jon Sullivan Jon Sullivan Uploaded with Rivers of unidentified countries Stones Riparian zone Files uploaded by User Northamerica
Page 2023 Free-images.com. All images are Public Domain