Interior Space and Exhibition Design Light Corridor in Grayness Residential Interior Design by Wan Yu Lo Light Corridor in Grayness is a residential interior design. The original T shaped circulation was fragmented, so an H shaped layout was adopted. The corridor was moved to the window side, and the bedrooms were set back to separate the public and private routes. Mirrors and glass spread daylight along the corridor. The bedroom entrances are grouped along the light corridor, away from the main entrance, for greater privacy. Curved surfaces soften the concave corners and join the living and dining areas smoothly.