A two-story wooden office building on a sloping land in a densely-built residential area. The office spaces are mainly on the upper floor and are filled with indirect natural light, while the ground floor is open to the surrounding area and serves as a link between the office space on the upper floor and the local community. The structural timber frames leaning against the rigid concrete retaining wall create the open ground floor space. Brightness of the interior spaces was critical to this project. The purpose was to create a comfortable and energy-efficient office space, as well as to create a sense of openness and continuity with the neighborhood. Natural light streaming in through the clerestory windows is diffused by light shelves made of perforated metal plates and metal fabric and reflected off the curved ceiling, illuminating the entire office space and the first floor entrance hall.
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