Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pre-Hispanic City and National Park of Palenque' has mentioned 'Archaeological' 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