What may have been the world's tallest waterfall briefly formed on Greenland's ice sheet last year, draining a meltwater lake of 5 million cubic meters of water -- equivalent to 2,000 Olympic-sized swimming pools -- in just five hours.
원문출처 : https://www.cnn.com/2019/12/04/world/drone-greenland-ice-sheet-fractures-scli-intl-scn/index.html
원문출처 : https://www.cnn.com/2019/12/04/world/drone-greenland-ice-sheet-fractures-scli-intl-scn/index.html