Panorama at Richebourg (Pas-de-Calais area of France). It is a long wide-angle view photograph which represents a physical space. This is artillery panorama used by the Royal Artillery to ‘register’ guns, in other words, to ensure that their shells are landing where they wanted them to and plan artillery bombardments. It would also have been used for other planning and intelligence purposes ahead of offensives. This source shows a view into no man’s land from British lines, (Catalogue ref: WO 316/24)