Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Rohtas Fort' has mentioned 'Drainage' in the following places:
Occurrence Sentence Text Source
The fortification wall, however, has collapsed at some places, and the monument is threatened by encroachment, which has disturbed the original drainage system of the fort.
The fortification wall is nevertheless vulnerable to rainwater flooding and choking the original drainage system.
Sustaining the Outstanding Universal Value of the property over time will require taking measures to enhance the management, conservation, and presentation of the property, particularly regarding the drainage system in the fort and encroachments.