Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Harar Jugol, the Fortified Historic Town' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
His successor, Emir Nur ibn Mujahid, built a protective wall around the city.
Besides the stone wall surrounding the city, the old town is home to 110 mosques and many more shrines, centered on Feres Magala square.
The historic city is physically limited and well defined by its 16th century surrounding wall and the setting has been retained along the eastern and south-eastern sides of the property.