Related Clues:
- One church head needed for White Mass?
- One centigrade close to temperature limit for cold surface
- One caribou taking first step over frozen ground
- Cold current picked up speed, rising to frozen region
- Polar cover (2 words)
- Permanent frozen mass covering a vast area
- Geographical feature such as Vatnajökull in Iceland
- Polar formation (2 words)
- Large permanently frozen area, for example at the poles
- Polar dome