Occurrence of Attributes in Original Text
The text related to the cultural heritage 'Old Walled City of Shibam' has mentioned 'Drainage' in the following places:
| Occurrence Sentence | Text Source |
|---|---|
| Abandonment of the old agricultural flood management system in the wadi, the overloading of the traditional sanitary systems by the introduction of modern water supply combined with inadequate drainage, together with changes in the livestock management have all contributed to the decay of the city. | UNESCO |