In places the ice layer was up to two miles thick.
The flesh is white and up to 1 mm thick.
Its ice crust could be up to 8 or 10 miles thick.
This allows for binding documents that are up to two inches thick.
In places, the salt is up to 40 m thick.
Its walls were up to 3.5 metres thick and it had 5 stories.
It is up to 140 m thick and comprises two layers.
The cathedral has walls which are up to 6 metres thick.
In some areas, it is up to 250 meters thick.
The walls and ceilings are up to 30 feet thick.