At 1:21:48 -a thick slab of reinforced concrete cracks when stepped on.
When they get to the school, Mika says that the computer room lies beyond 'bamba' (meaning the school cafeteria). This word is only used in Gothenburg, about 980 miles south of Kiruna.
At 1:06:27 -the plywood painted to look like bricks shifts when walked on.
In a building with no electricity there is one wire that is still powered.
Most human beings would find climbing vertically 520 meters impossibly hard going.
At 1:06:37 -people in a panic forget how to work a seat belt buckle.