Dining Room House planners usually focus on spaces when they create a design. They decide what spaces are needed, size and arrange them, then polish up the results. In my own work, I try to think about how spaces are linked, through elements collectively known as "circulation." These circulation elements include halls and galleries, and those parts of rooms people move around in. Two Kinds of Circulation Space There are two types of circulation space: "internal" and "public." Internal circulation space serves the space it is in, while public circulation space serves other spaces. Look at the plan of the renovated living room (Figure 1). The internal circulation space has been darkened, while the public circulation space is shown in a