Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Medina of Tunis' has mentioned 'Human' in the following places:
Occurrence Sentence Text Source
However, since the 1930s, with the arrival of the first ethnologists, studies have revealed that the articulation of the Medina areas is not random, and houses are built according to clear sociocultural norms, codified according to complex types of human relationships.