 Other notable Romanesque baptisteries are that at Parma Cathedral remarkable for its galleried exterior, and the polychrome Baptistery of San Giovanni of Florence Cathedral, with vault mosaics of the 13th century including Christ in Majesty, possibly the work of the almost legendary Coppo di Marcovaldo.Arcading is the single most significant decorative feature of Romanesque architecture.It occurs in a variety of forms, from the Lombard band, which is a row of small arches that appear to support a roofline or course, to shallow blind arcading that is often a feature of English architecture and is seen in great variety at Ely Cathedral, to the open dwarf gallery, first used at Speyer Cathedral and widely adopted in Italy as seen on both Pisa Cathedral and its famous Leaning Tower.