Text description provided by the architects. This work of architecture consists of a single flat steel sheet made of anticorrosive steel. Truss-shaped structural walls composed of 25mm-thick steel sheet have been set at the right and left ends, and a catenary curve made of 16mm- thick steel sheet spans the 20m gap between these support points.
Toilet booths have been set in the open space obtained below. The outer faces of the right and left walls, upon which the roof has been placed, and inclined toward each other, and during construction the shapes were fixed and joined after they had twisted and warped under the effects of gravity.