Steffen Olsen, a scientist with the Danish Meteorological Institute, was on a routine mission in northwest Greenland to retrieve oceanographic and weather monitoring tools placed by his colleagues on sea ice when he ran into a problem.
원문출처 : https://www.cnn.com/2019/06/17/health/greenland-ice-sheet-intl-hnk/index.html
원문출처 : https://www.cnn.com/2019/06/17/health/greenland-ice-sheet-intl-hnk/index.html