Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Robben Island' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
Robben Island is a South African National Heritage Site as well as a UNESCO World Heritage Site.
In 1999 the island was declared a World Heritage Site for its importance to South Africa's political history and development of a democratic society.
Robben Island, and its buffer zone of one nautical mile, is legally protected as a National Heritage Site through the National Heritage Resources Act(No 25 of 1999); the World Heritage Convention Act (Act No 49 of 1999); the Cultural Institutions Act (Act No 119 of 1998); the National Environmental Management Act (Act No 107 of 1998); National Environmental Management: Biodiversity Act (Act No 10 of 2004); and the National Environmental Management: Protected Areas Act (Act No 57 of 2003).