Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Vienna' has mentioned 'Palaces' in the following places:
Occurrence Sentence Text Source
UNESCO is concerned about the height of high-rise development in Vienna as it can dramatically influence the visual integrity of the city,[73] specifically the baroque palaces.
[129] Balls are held in the many palaces in Vienna, with the principal venue being the Hofburg Palace in Heldenplatz.
Major tourist attractions include the imperial palaces of the Hofburg and Schxc3xb6nbrunn (also home to the world's oldest zoo, Tiergarten Schxc3xb6nbrunn) and the Riesenrad in the Prater.
A growing number of new palaces were built by noble families, many existing medieval buildings, churches, and convents were altered and given Baroque features, and additions were made to representative administrative buildings.