Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Canal du Midi' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
The Canal du Midi was inscribed as a UNESCO World Heritage Site in 1996 and was designated as an International Historic Civil Engineering Landmark in 2016.
The classification as a World Heritage Site creates an additional level of oversight by the State who must ensure that any changes along the canal and its structures are compatible with the strategic issues of UNESCO.