background diffuser egg crate pattern light diffuser panel texture white bumps bright bulb case CFL diffused light housing illumination lamp light light fitting Light Fixture lighting luminous colorful colourful dark diffused gold golden lampshades lights orange patterns shadow and light shapes textures unusual variety angled angles architectural-elements ceiling circular corner diffused-light flooring handrail inside interior intricate limited monochrome patterned polished reflections sepia shadowy shiny spiral spiral-staircase spiraling spiralling staircase stairs steps structure sturdy turning turns upstairs window wrought-iron gray grey silhouette greyscale abstract color colored colour coloured curved curves decoration decorative distinctive distorted lampshade lined lines perspectives plastic round surface surfaced surfaces textured through thru translucent variations wallpaper wavy