Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Lake Turkana National Parks' has mentioned 'Great Rift Valley' in the following places:
Occurrence Sentence Text Source
In addition, volcanic eruptions and extensive lava flows, geological faulting within the Great Rift Valley, and the formation of sedimentary deposits have assured preservation of fossil remains, which are significant in understanding the history of life especially human evolution.