In this Thursday, July 13, 2017 photo, able seaman Auvo Sinkkonen checks a rescue boat during a maintenance inspection aboard the Finnish icebreaker MSV Nordica as it sails the Bering Sea to traverse the Arctic's Northwest Passage. The bright orange lifeboats are made of fiberglass, measure 31 by 11 feet and have provisions for more than a week at sea. (AP Photo/David Goldman)
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