The image shows a close-up of a large artillery cannon on display in a museum. The cannon is made of metal and appears to be old and weathered, with rust and peeling paint visible on its surface. It has two long, cylindrical guns mounted on top of it, with a long barrel extending from the center. The guns are attached to a metal frame with chains and bolts, and there is a large wheel on the left side of the cannon. The background shows a high ceiling with a skylight, and a few people can be seen in the distance.