Concrete is cast in place, not layered or clad, so floor, wall, and ceiling read as one continuous body.
Pigment runs through the mix itself; the color is structural, not a surface finish that can wear away.
Openings are cut, not framed: sharp voids punched into massive planes, with no trim or border.
The rust-red accent appears once, deliberately, to harmonise with the earth — never as decoration.