Japanese architect Yoshichika Takagi has completed a house in Sapporo, Japan, where the interior is divided by a series of wooden structures with pitched roofs. Called House K, the project forms platforms and mezzanines on top of the house-shaped rooms, which are arranged around a central kitchen. Interweaving Space Between ‘Inside’ and ‘Outside’. For this residential housing project, the client desired an open space within an indoor environment. But at the same time, one of the other conditions was that it should reveal the house shape on the exterior. Considering the cold climate in Hokkaido, it didn’t seem to be the most appropriate solution to make a wide open interior space as outdoors, yet, keeping the house shape on the exterior.