Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Pre-Hispanic City and National Park of Palenque' has mentioned 'World Heritage' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| In 1987 UNESCO recognized the archaeological site as World Heritage and in 1993 the site was declared an Archaeological Monument by the Mexican Federal Government, so as to be protected under the Federal Law on Archaeological, Artistic and Historic Monuments and Sites. | UNESCO |
| Nevertheless, much work remains to be done in order to effectively ensure the protection and conservation of the World Heritage property in the long term. | UNESCO |