Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Historic Centre of Siena' has mentioned 'Tourist' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| [9] It is one of the nation's most visited tourist attractions, with over 163,000 international arrivals in 2008. | WIKI |
| The Historic Centre of Siena is vulnerable to environmental pollution and intense tourist pressure, which strain city services during a few months of the year. | UNESCO |
| Activities that will increase tourist visitation to the World Heritage site have been optimized in accordance with the principles of sustainable development by implementing a management system to regulate the number of tourists. | UNESCO |