Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Plitvice Lakes National Park' has mentioned 'Tourism' in the following places:
Occurrence Sentence Text Source
During the 20th century, uncontrolled tourism and water pollution caused by waste water from hotels and agricultural activities in the surrounding area have led to damage.
During the 1980s, tourism was booming in Yugoslavia.
Due to high tourism and illegal construction around lakes, with faecal waste flowing down to surrounding woods and lakes without any treatment, the water in the lakes is polluted and no longer drinkable.
The local culture has also been detected as an important factor for tourism.
While this puts Plitvice in a privileged position from economic and educational perspectives, the well-documented downsides of tourism require careful consideration.
Beyond the risk of direct physical damage to the highly sensitive system, tourism also bears indirect risks stemming from water contamination and excess nutrients through wastewater.