Public domain images of Iceland: Iceland (Unsplash B8hBfPtHBrQ)

Iceland

Public domain photograph of mountain crater, caldera, free to use, no copyright restrictions image - Picryl description

A couple of people walking across a rocky field.

This image is from Unsplash and was published prior to 5 June 2017 under the Creative Commons CC0 1.0 Universal Public Domain Dedication. Media published on Unsplash from 5 June 2017 onwards is not considered to be freely licensed.