Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Chitwan National Park' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
It was established in 1973 and granted the status of a World Heritage Site in 1984.
The ecological integrity of the park is further enhanced by the adjoining Parsa Wildlife Reserve to its eastern boundary and the designation of a buffer zone around the Park that is not part of the inscribed World Heritage Site but provides additional protection and important habitats.
The World Heritage values of the Park have been enhanced as the population of Greater One-horned Rhinoceros and Bengal Tiger have increased (Rhinoceros - around 300 in the 1980s to 503 in 2011 and Tigers 40 breeding adults in the 1980s to 125 breeding adults in 2010).