Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Catalan Romanesque Churches of the Vall de Boí' has mentioned 'Tourism' in the following places:
Occurrence Sentence Text Source
No adverse factors appear to exist at present, though excessive tourism would be problematic if it were allowed to develop.
In addition to continuing programmes of restoration and maintenance of churches and urban projects in the villages of the valley, there is the 1998 Programme of Excellence in Tourism in the Vall de Boxc3xad promoted jointly by the State, Autonomous Community and local authorities as well as tourism companies, currently under way.
The most serious threat to the integrity of the valley would be mass tourism and the programme proposes tourism development strategies that are consistent with the objectives of protection and conservation of natural and cultural resources.