The BBC joined Canadian Army Rangers on the final leg of a 5,200 km (3,200 mi) Arctic patrol, where they shared the survival skills needed to endure freezing temperatures, navigate remote tundra and camp in conditions as cold as -60C (-76F).
But how did the reporters on the way, Nadine Youssef and Eloise Alana, get the story?
Video by Eloise Alana
Watch the report on surviving in the Arctic here
Read the story about the Canadian Rangers here
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