Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Prehistoric Caves of Yagul and Mitla in the Central Valley of Oaxaca' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
A carved serpent's head, now in the Regional Museum in Oaxaca, was found fixed to the top of the south wall.
Its southern wall is over 40 meters long and was decorated with geometric stone mosaics similar to those at Mitla.