| Action, Horror, Sci-Fi
Forced underground by the next ice age, a struggling outpost of survivors must fight to preserve humanity against a threat even more savage than nature.
The first movie to be shot at the decommissioned NORAD (North American Aerospace Defense Command) base in North Bay, Ontario, Canada.
The bridge is shown over a crevasse with a glacier flowing through, around the bridge supports. A glacier would have destroyed the supports.