Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Old Town of Ávila with its Extra-Muros Churches' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
xc3x81vila was declared a UNESCO World Heritage Site in 1985.
The regional government has set up a World Heritage Cities Centre at the Palacio de los Verdugo as a research and evaluation institution.
xc3x81vila also participates in an educational program aimed at schoolchildren to promote the knowledge of World Heritage.