Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of the Town of Olinda' has mentioned 'UNESCO World Heritage Site' in the following places:

Occurrence Sentence	Text Source
As the former capital of the Captaincy of Pernambuco during the colonial era, Olinda has many historical buildings--the center was declared a UNESCO World Heritage Site in 1982--and a rich culture.	WIKI