Dining Room, Chair, Table, Floor Lighting, and Concrete Floor A 14-foot-wide opening at the rear of the house contributes, along with the concrete flooring, to an almost seamless transition from indoors to the patio. A spate of mid-century furnishings includes chairs by Hans Wegner and Poul Kjærholm and an Achille Castiglioni Arco lamp.  Photo 2 of 13 in On the Level