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
Eichstätt Cathedral bell each for rosary devotions, and every Friday at 11 o'clock for the Passion of Christ. In the North Tower is the Death Bell (), known as Klag, which is only rung to commemorate the death of a member of the cathedral community. It was probably cast by Hermann Kessler at the beginning of the 14th century and has a strike tone of a″ +/. It weighs about and has a diameter of . Eichstätt Cathedral Eichstätt Cathedral, properly known as the Cathedral Church of the Blessed Virgin Mary, St. Willibald and St. Salvator is an 11th-Century Roman Catholic cathedral