These northern hemisphere sites in particular are in latitudes with cold winters, especially at times when ice advances brought tundra conditions to the plains and mountain areas of Eurasia.
(These northern hemisphere sites in particular; are; in latitudes with cold winters, especially at times) (ice advances; brought; tundra conditions; to the plains and mountain areas of Eurasia; T:times)
These northern hemisphere sites in particular ice advances
are brought
in latitudes with cold winters, especially at times
tundra conditions to the plains and mountain areas of Eurasia T:times