The image shows an old military vehicle, specifically a truck with a large gun mounted on the back. The truck is green in color and appears to be in a museum or exhibition space. The gun is mounted on top of the truck and has multiple rows of metal bars on the sides. The bars are arranged in a vertical manner and are evenly spaced along the sides of the vehicle. There is a large cannon on the right side of the image and a smaller tank on the left side. In the background, there is a white building with large windows.