Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Capital Cities and Tombs of the Ancient Koguryo Kingdom' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
The tombs represent a masterpiece of the human creative genius in their wall paintings and structures.
The tombs of the nobles have stone chambers covered with earth mounds and are decorated with wall paintings, depicting scenes of daily life, sports, hunting, nature, gods, fairies, and dragons.
Criterion (i): The tombs represent a masterpiece of the human creative genius in their wall paintings and structures.