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
Tinsmiths' Tower Tinsmiths' Tower The Tinsmiths' Tower (, ) is one of the nine towers located in the citadel of Sighișoara, belonging to Mureș County in Romania.Tinsmith’s Tower has the most expressive architecture: 25 meters high, the tower starts with a square base (part of the old tower), right after the brick trunk stands in pentagonal shape and above suddenly widens and becomes octagonal. The roof, slightly unbalanced, has a hexagonal plan and the woodwork inside is a veritable masterpiece of carpenters of Sighisoara. The Tin Tower, together with the Clock Tower, has an exceptional defensive position. In 1583 several repairs were