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The ice of the Arctic Ocean bound the ship. The ship is in the ice and can't do anything. This position of the ship is called drift. It happened so that the only ship's clock after two months of drifting, just before the New Year, went out of order. Winter will last for at least another five months, and the ice floes are generally unknown when they will part in front of the ship. Outside, it's cold and dark.

What natural objects or phenomena can help the team navigate through time?

• The sun
• Stars
• A compass
• The change of day and night
• The GPS