Japan of Sichuan 辺 Naoya Architects design Kitaurawa Valley residential project, a three-storey building in Saitama, Japan.
The apartment consists of 14 independent unit space connected to each other through the bare concrete staircase on the outside of the building, thus formed between the different units Figure alley like transportation network to promote communication between the households. The indoor concrete texture walls, showing a rough architectural aesthetics.
http://www.kawabe-office.com/
via: designboom