FILE - This Nov. 11, 2016 file photo shows Blood Falls, bottom left, and the Taylor Glacier near McMurdo Station, Antarctica. A Dutch tourist aboard a cruise ship near Antarctica who suffered a suspected stroke was successfully evacuated Tuesday, Jan. 31, 2017, to the U.S. base on the frozen continent. New Zealand's Rescue Coordination Centre said the 66-year-old woman was flown by the ship's helicopter to McMurdo Station and is due fly to New Zealand on Wednesday where she will receive further medical treatment. (Mark Ralston/Pool Photo via AP, File)