Gothic architecture towers on the front is the norm. In England, Germany and Scandinavia this is often the arrangement, but an English cathedral may also be surmounted by an enormous tower at the crossing. Smaller churches usually have just one tower, but this may also be the case at larger buildings, such as Salisbury Cathedral or Ulm Minster in Ulm, Germany, completed in 1890 and possessing the tallest spire in the world, slightly exceeding that of Lincoln Cathedral, the tallest spire that was actually completed during the medieval period, at . The exteriors and interiors of Gothic cathedrals, particularly in France, were
Spire light Spire light Spire light (Fr. "lucarne"), the term given to the windows in a spire which are found in all periods of English Gothic architecture, and in French spires form a very important feature in the composition. There is an early example in the spire of the cathedral at Oxford; they are not glazed, and have occasionally, if of large size, transoms to strengthen the mullions. The term lucarne is used in France to mean "dormer window". They take many different forms which distinguishes the form of small roof above the window. "à chevalet" (straight lucarne), lucarne avec saillie and