Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Jiuzhaigou Valley Scenic and Historic Interest Area' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
A long valley running north to south, Jiuzhaigou was inscribed by UNESCO as a World Heritage Site in 1992 and a World Biosphere Reserve in 1997.
The site was inscribed by UNESCO as a World Heritage Site in 1992 and a World Biosphere Reserve in 1997.
In 2004, the Sichuan Provincial Regulation on World Heritage Protection in Sichuan and the Regulation on Implementing Sichuan Provincial Regulation on World Heritage Protection in Aba Autonomous Prefecture became law, which provided a stricter basis for protection of the property.
The Administration Bureau of the Jiuzhaigou World Heritage Site, established in 2006, ensures the site complies with Aba Prefecturexe2x80x99s Guidelines of Implementing Sichuan Provincial Regulations on World Heritage Protection.