Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Old town of Regensburg with Stadtamhof' has mentioned 'UNESCO World Heritage Site' in the following places:
Occurrence Sentence Text Source
The medieval centre of the city is a UNESCO World Heritage Site.
Although both targets were badly damaged, Regensburg itself suffered little damage from the Allied strategic bombing campaign, and the nearly intact medieval city centre is listed as a UNESCO World Heritage Site.
The World Heritage Committee listed Regensburg's Old Town a UNESCO World Heritage Site in July 2006.
Aside from the industrial sector, tourism contributes a lot to Regensburg's economical growth, especially since 2006, when the city gained status as UNESCO World Heritage site.