This is a set of three-dimensional white decorative backdrops inspired by European classical architecture. The main structure consists of carved Roman columns and semicircular arches, with delicate gypsum relief textures and radial dome details on the surface.The overall style blends French romance with Roman retro charm, and its pure white color scheme is suitable for a variety of scenarios: it can serve as the main backdrop for wedding welcome areas, creating an elegant ceremonial atmosphere; it can also be used for commercial photography, window displays or event decorations, making a visually striking focal point that boasts both a layered look and a high-end feel. Its three-dimensional structure and exquisite carvings can instantly elevate the retro and luxurious ambiance of any space.