Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historical Monuments at Makli, Thatta' has mentioned 'UNESCO World Heritage Site' in the following places:
Occurrence Sentence Text Source
UNESCO World Heritage site in Pakistan
The site was inscribed as a UNESCO World Heritage Site in 1981 as an "outstanding testament" to Sindhi civilization between the 14th and 18th centuries.
Makli Necropolis was designated a UNESCO World Heritage Site in 1981.