Interior Space and Exhibition Design Light slit Office by Wen-Chi Lee The main office is the transformation of the present site courtyard. In the square and single-floor space, designer created a interior 180 degrees width lighting patio by cutting a light slit in the building, and broken closed cement cage, also introduced the natural light to the people’s activities field. And the link to natural through light wakes up people's feelings on returning to the land, and gives the metaphors of all nature is a endless cycle.