Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Humayun's Tomb, Delhi' has mentioned 'Pilgrimage' in the following places:
Occurrence Sentence Text Source
[2] According to Ain-i-Akbari, a 16th-century detailed document written during the reign of Akbar, Bega Begum supervised the construction of the tomb after returning from Mecca and undertaking the Hajj pilgrimage.