Related Clues:
- Major cooling-off period
- Christmas time
- Discontent time?
- Wintry stretch
- Freezing period
- Very long cold snap
- When mastodons roamed
- 2002 movie with Manny the Mammoth
- Period of advancing glaciers
- Mammoth period?
- Pleistocene glacial period
- Animated film with Manny the mammoth
- More than just a cold snap
- It happened back in cold-en days
- Historic cold period