On the top floor of the three -story building, a household for a total of three households lives on each parent's household on each of the children's generation and lower floors. The cube of about 10 m3 is composed of the outer wall of the reinforced concrete wall structure and three lattice beam floor slabs set back about 1 m from the outer shell.

Japan | Tokyo

Jutakutokushu July 2021 issue 78P