Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Zacatecas' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
Today, the colonial part of the city is a World Heritage Site, due to the Baroque and other structures built during its mining days.
The city center was named a World Heritage Site in 1993.
[1] These buildings have made the historic center of the city a World Heritage Site.
[2] In addition to the city's status as a World Heritage site, there is camping available in the Sierra de Organos, Canon de Juchipila, the Cerro del Mixton and the Sierra de Cardos.