Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Siena' has mentioned 'Urban planning' in the following places:
Occurrence Sentence Text Source
Historically, its inhabitants pursued their competition with the neighbouring cities of Florence and Pisa right into the area of urban planning.
Since 1931, Siena has adopted xe2x80x9cmodernxe2x80x9d urban planning tools.
The urban planning tools followed over time have maintained these functions while continuing to ensure the historical relationship of the walled city with the surrounding agricultural context.
Finally, with the unique support from xe2x80x9ccontradexe2x80x9d, the current urban planning safeguards the social and cultural aspects of the city through the promotion of a policy to recover the traditional residential use of buildings within the old town.