Please make a concrete wall background for a clean and modern interior space. One-dimensional plane picture, Emphasize the beautiful pure cleanliness in the absence of any object. The concrete wall has a smooth surface and a neat design, and shines in a balanced color under the light. The walls feature a modern, simple line-and-face design with no decorations. Circular and symmetrical features expand space and maximize the effectiveness of lighting. This clean, concise background is perfect for modern interiors and expresses the harmonious beauty in the absence of objects.