Explorers See Greenland’s Glaciers Like Never Before   http://video.nationalgeographic.com/video/expedition-raw/170305-sciex-minidoc-explorers-take-to-skies-to-see-greenland-like-never-before?utm_source=NatGeocom&utm_medium=Email&utm_content=video_20170512&utm_campaign=Content&utm_rd=877058824   Thanks Jane Foster at Marist College for this link.