A private retreat in Sonoma County references the agricultural structures of nearby vineyards, rising from the hillside as a vertical barn or inhabitable fire tower. In response to siting and climate, the building adopts a double skin enclosure: the inner glass house opens to the wind through sliding glass walls, while the exterior, core-ten steel surface opens to vistas through louvers that afford increased views as one ascends. When dormant, the rusted skin presents a mute face; when inhabited, shutters, like leaves, unfold revealing the transparent interior.

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