Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pre-Hispanic City of Teotihuacan' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
[85] Further down the Avenue of the Dead, after a small river, is the area known as the Citadel, containing the ruined Temple of the Feathered Serpent Quetzalcoatl.
Another example of artificial landscape modifications is the course of the San Juan River, which was modified to bend around the structures as it goes through the center of town eventually to return to its natural course outside of Teotihuacan.
The cityxe2x80x99s urban plan integrated natural elements of the Teotihuacan Valley, such as the San Juan River, whose course was altered to cross the Avenue of the Dead.