Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Catalan Romanesque Churches of the Vall de Boí' has mentioned 'City' in the following places:
Occurrence Sentence Text Source
In Cologne, then the largest city north of the Alps, a very important group of large city churches survives largely intact.
In Italy, city councils constructed town halls, while wealthy cities of Northern Europe protected their trading interests with warehouses and commercial premises.
Examples of all these types of buildings can be found scattered across Europe, sometimes as isolated survivals like the two merchants' houses on opposite sides of Steep Hill in Lincoln, England, and sometimes giving form to a whole medieval city like San Gimignano in Tuscany, Italy.