Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Aranjuez Cultural Landscape' has mentioned 'World Heritage' in the following places:
Occurrence Sentence Text Source
The Cultural Landscape of Aranjuez was declared a World Heritage Site by UNESCO in 2001.
In 2001 UNESCO listed the Aranjuez Cultural landscape as a World Heritage Site.
In 2001 this city was designated as a World Heritage Cultural landscape by UNESCO, and since then, tourism has kept on increasing until hit by the 2008 recession.