The design has a shape with a large recess in the center containing wash basins of various heights in one element, a small place where everyone from children to the elderly and all kinds of people can gather to wash their hands, drink water, and talk with each other.

Toilet in Shibuya, Tokyo by Sou Fujimoto. Photgraph by Sou Fujimoto Architects.
I would like to propose a new way of public space as a place where people gather around water.
We propose a hand washing space as a public water facility that is open not only to people who use the toilet but also to a variety of people with various purposes."