Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Upper Middle Rhine Valley' has mentioned 'Cultural heritage' in the following places:
Occurrence Sentence Text Source
Signatories of the Rhine Valley Charter (Die Rheintal Charta) of November 1997, which include the great majority of communities in the Middle Rhine Valley, undertake to conserve, manage, and exercise care in developing the natural and cultural heritage and the unique cultural landscape of the Rhine Valley.