Keep the image exactly as it is. Do not change anything in the composition, geometry, proportions, perspective, corridor width, wall positions, ceiling shape, floor shape, opening placement, or camera angle under any circumstances. Do not redesign, reinterpret, or add anything.
The only adjustments allowed are material appearance, surface finish, and lighting atmosphere.
All visible surfaces must remain monolithic exposed concrete in a uniform cold grey to grey-blue tone. Remove any green color cast and any overly saturated blue.
Keep a subtle concrete texture, so the material still reads clearly as concrete, but remove all visible joint lines, seam lines, panel divisions, and formwork separations. The concrete should feel poured as one continuous mass, without tiled sections or segmented wall panels.
Use soft, diffuse, cool ambient light with a cold and quiet atmosphere. No dramatic direct sunlight, no theatrical lighting, no strong highlights.
Shadows must be natural, soft, and physically believable. No random shadow patches, no strange shadow directions, no artificial floor coloration.
The end of the corridor should stay slightly brighter because of the open space around the corner, but this brightness must remain subtle and soft, not overexposed.
Keep the overall mood minimal, cold, restrained, silent, and architectural.

PromptKeep the image exactly as it is. Do not change anything in the composition, geometry, proportions, perspective, corridor width, wall positions, ceiling shape, floor shape, opening placement, or camera angle under any circumstances. Do not redesign, reinterpret, or add anything.
The only adjustments allowed are material appearance, surface finish, and lighting atmosphere.
All visible surfaces must remain monolithic exposed concrete in a uniform cold grey to grey-blue tone. Remove any green color cast and any overly saturated blue.
Keep a subtle concrete texture, so the material still reads clearly as concrete, but remove all visible joint lines, seam lines, panel divisions, and formwork separations. The concrete should feel poured as one continuous mass, without tiled sections or segmented wall panels.
Use soft, diffuse, cool ambient light with a cold and quiet atmosphere. No dramatic direct sunlight, no theatrical lighting, no strong highlights.
Shadows must be natural, soft, and physically believable. No random shadow patches, no strange shadow directions, no artificial floor coloration.
The end of the corridor should stay slightly brighter because of the open space around the corner, but this brightness must remain subtle and soft, not overexposed.
Keep the overall mood minimal, cold, restrained, silent, and architectural.

Date29 March 2026