Something caught Stef Lhermitte's eye last week as he pored over satellite images of Northwest Greenland's Petermann Glacier, one of the largest glaciers in Greenland.
원문출처 : http://www.cnn.com/2017/04/17/world/greenland-glacier-new-crack/index.html
원문출처 : http://www.cnn.com/2017/04/17/world/greenland-glacier-new-crack/index.html