Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Samarkand – Crossroad of Cultures' has mentioned 'City walls' in the following places:
Occurrence Sentence Text Source
Ancient city walls of Samarkand, 4th century BCE
Some of the medieval features have been lost, such as the city walls and the citadel, as well as parts of the traditional residential structures especially in areas surrounding major monuments.