Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Early Christian Necropolis of Pécs (Sopianae)' has mentioned 'UNESCO World Heritage Site' in the following places:
Occurrence Sentence Text Source
The early Christian necropolis from that era became a UNESCO World Heritage Site in December 2000.
Necropolis of Sopianae (UNESCO World Heritage Site) Cella Septichora (4th century) The Cathedral (11th century, renovated in the 19th century).