Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Los Katíos National Park' has mentioned 'Pleistocene' in the following places:
Occurrence Sentence Text Source
Due to its geographical location in northern Colombia on the southern edge of the Central American land bridge, this region served as a filter for the exchange of animal species between North and South America in the Tertiary and Pleistocene periods.
It is thought to be the site of a Pleistocene refuge, a hypothesis supported by the high proportion of endemic plants.