The sea ice off the coast of northern Greenland is normally some of the thickest in the entire Arctic, with ridges of ice piled as high as 70 feet in some places.
원문출처 : https://www.cnn.com/2018/08/23/world/arctic-sea-ice-breakup-greenland-trnd-wxc/index.html
원문출처 : https://www.cnn.com/2018/08/23/world/arctic-sea-ice-breakup-greenland-trnd-wxc/index.html