Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Vatican City' has mentioned 'Pilgrimage' in the following places:
Occurrence Sentence Text Source
Site of the tomb of the Apostle Saint Peter, first of the uninterrupted succession of Roman Pontiffs, and therefore a main pilgrimage centre, the Vatican is directly and tangibly linked with the history of Christianity.
Criterion (vi): Site of the tomb of Saint Peter and pilgrimage centre, the Vatican is directly and materially linked with the history of Christianity.