Attribution 4.0 International (CC BY 4.0)
You can use this work for any purpose, including commercial uses, without restriction under copyright law. You should also provide attribution to the original work, source and licence. Read more about this licence.
Credit
World War I: members of the Royal Army Medical Corps lifting dead and wounded men out of a bombed trench in France and treating the survivors. Photograph of drawing by F. Matania, ca. 1917. Wellcome Collection. Attribution 4.0 International (CC BY 4.0). Source: Wellcome Collection.