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In this July 19, 2011 photo, with the Jakobshavn ice fjord visible in the background, NYU researcher David Holland, left, discusses logistics with a helicopter pilot before flying to deploy devices designed to track glacial movement near the edge of the Greenland Ice Sheet, outside Ilulissat, Greenland. Holland hopes to eventually deploy scores of the devices to help measure ice loss in Greenland. (AP Photo/Brennan Linsley)

Greenland's ice: beauty and threat

Greenland's Inuit people have countless terms in their language to describe ice in all its varieties. This gallery of photographs by AP's Brennan Linsley likewise is something of a visual vocabulary for the striking and beautiful forms ice takes on and around the giant Arctic island.