The image is a black and white photograph of a group of men working on a large artillery cannon. The cannon is in the center of the image, with the men surrounding it. The men are wearing hats and uniforms, and some are standing while others are kneeling on the ground. They appear to be working on the cannon, and there is smoke coming out of it, indicating that it is being fired. The background shows a dirt field with a few buildings and trees in the distance. The image appears to be from the early 20th century.