This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
blackandwhite monochrome photo border surreal black and white New Zealand Field Artillery World War probably Belgium photographed January by Henry Armytage Sanders. Top right with sandbags taken at Menin Road Westhock. Others showing men shooting shells taken at The Butts. Copy negative of four Sanders prints. Quantity bampampw