Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Roman Walls of Lugo' has mentioned 'World Heritage List' in the following places:
Occurrence Sentence Text Source
The fortifications were added to UNESCO's World Heritage List in late 2000 and are a popular tourist attraction.
The fortifications were added to UNESCO's World Heritage List in late 2000 as "the finest example of late Roman fortifications in western Europe.
Since the inscription of the walls on the World Heritage List in 2000, Lugo holds a popular festival called Arde Lucus each year to celebrate its Roman past.