St Paul's Cathedral familiar with the unique octagonal lantern tower over the crossing of Ely Cathedral, which spans the aisles as well as the central nave, unlike the central towers and domes of most churches. Wren adapted this characteristic in designing the dome of St Paul's. In section St Paul's also maintains a medieval form, having the aisles much lower than the nave, and a defined clerestory. The most notable exterior feature is the dome, which rises to the cross at its summit, and dominates views of the City. The height of 365 feet is explained by Wren's interest in astronomy. Until the
Ourense Cathedral The cathedral was classified as a national monument in June 1931. Since 1887, it has officially been designated a basilica. The cathedral plan takes the form of a Latin cross, the nave being flanked by slightly lower lateral aisles. It measures in length and across the transversal transept. Completed in 1505 by Rodrigo de Badajoz, the octagonal Gothic lantern tower with its three levels of windows rises above the point where the transept crosses the nave. The former apse was later converted into an ambulatory bordered by a series of chapels including the 15th-century St John's Chapel (Capilla de San