Hans Island, the tiny Arctic island at the centre of Canada's war of words with Denmark over its sovereignty, is so barren that even the rocks used by soldiers to erect an Inukshuk needed to be flown in by helicopter, military documents show. When a small contingent of the Canadian Forces landed on the island in July on a sovereignty patrol, they also erected a 12-foot pole topped by a metal Canadian flag that had been specially designed and built at a cost of almost $2,000. Details of the secret three-hour mission -- code-named Exercise Frozen Beaver -- are contained...