This is the residence with the huge underground space.
This space was built for the un limited use from the residence functions, and it’s existence makes this residence very unusual. It is used for sports like ball sports and climbing, events with many people, animals like a dog and a hawk, but used for emergency shelter for neighbors too.
To realize the enough volume for these in this site, it was necessary to consider the unique method for the structure and the construction both with the structural calculation.
The upper part of this residence seen over the ground is supported only 8 steel columns because of this huge underground volume so that every walls can be adopted and moved freely.
