An arcade is a succession of arches, each counter-thrusting the next, supported by columns, piers, or a covered walkway enclosed by a line of such arches on one or both sides. In warmer or wet climates, exterior arcades provide shelter for pedestrians. The walkway may be lined with stores.A blind arcade superimposes arcading against a solid wall. Blind arcades are a feature of Romanesque architecture that was taken into Gothic architecture.