If it in the future is need to get some help from the outside for their son, then it´s very easy to access the house from the street.
The first tube is closed and is visually linked to the area behind the house. The more closed tube is where most of the functions in the house located.
Location: Mitakashi Tokyo Japan
Architecture use: house
Architect name: Hideki Iwahori
Architect office name: HIDEKI IWAHORI ARCHITECTURAL DESIGN OFFICE
Site area: 111.44㎡
Building area: 58.11㎡
Floor area: 87.72㎡
Contributor: Hideki iwahori
Photo: Hiroyasu Sakaguchi