Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Angkor' has mentioned 'Medieval' in the following places:
Occurrence Sentence Text Source
Because of the low-density and dispersed nature of the medieval Khmer settlement pattern, Angkor lacks a formal boundary, and its extent is therefore difficult to determine.
[29] Recent research by Australian archaeologists suggests that the decline may have been due to a shortage of water caused by the transition from the Medieval Warm Period to the Little Ice Age.