Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Catalan Romanesque Churches of the Vall de Boí' has mentioned 'Tower' in the following places:
Occurrence Sentence Text Source
Another feature of the church is its regular proportion, the square plan of the crossing tower providing a module for the rest of the plan.
Politics The Tower of London (1078); William the Conqueror built the central White Tower as his stronghold and residence Speyer Cathedral, begun by Conrad II, Holy Roman Emperor in 1030, as an expression of imperial power and architectural innovation Castello di Venere, Erice (12th-13th century), is one of many built by the Normans in Sicily, Italy.
Many towns, such as San Gimignano, were enclosed with walls, causing crowding and the building of tower houses
The very large piers at the crossing signify that there was once a tower.
The western end having two round towers flanking a tall central tower was unique in Britain.
Smaller churches often have a single tower that is usually placed to the western end in France or England, either centrally or to one side, while larger churches and cathedrals often have two.
The tower, (Gothic 1284) is a separate structure as usual in Italy.
In central and southern France this is more variable and large churches may have one tower or a central tower.
This is also common in Germany, where the apses were sometimes framed with circular towers and the crossing surmounted by an octagonal tower as at Worms Cathedral.
In England, for large abbeys and cathedral buildings, three towers were favoured, with the central tower being the tallest.
This was often not achieved, through the slow process of the building stages, and in many cases the upper parts of the tower were not completed until centuries later as at Durham and Lincoln.
Maria Laach Abbey, above) The most massive Romanesque crossing tower is that at Tewkesbury Abbey, in England, where large crossing towers are characteristic.
Gothic arches beneath tower (c. 1350).
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.
Ely Cathedral, England, the central western tower and framing smaller towers all had transitional features, 1180s.
The tower to the left fell.
While most are in ruins through the action of war and politics, others, like William the Conqueror's White Tower within the Tower of London have remained almost intact.
Secular and domestic architecture Tower of London (1078); William the Conqueror built the central White Tower as his stronghold and residence The Great Hall of Oakham Castle, England, once part of the fortified manor of a Norman baron Crusader castle, Krak des Chevaliers, Syria, was mainly constructed in this period, with the outer walls being later Many towns, such as San Gimignano, were enclosed with walls, causing crowding and the building of tower houses