When Laura Larocca visited Denmark in 2019, the climate scientist sifted through thousands of old aerial photographs of Greenland’s icy coastline, which were rediscovered in a castle outside Copenhagen about 15 years ago. Now housed in the Danish National Archives, the historical images inspired her and other researchers to reconstruct the territory’s glacial history and how it has changed amid a
![Before-and-after photos of Greenland glaciers reveal decades of change | CNN](https://cdn-ak-scissors.b.st-hatena.com/image/square/eea96fbcfef071fb7099499f7a255b954a99dc38/height=288;version=1;width=512/https%3A%2F%2Fmedia.cnn.com%2Fapi%2Fv1%2Fimages%2Fstellar%2Fprod%2F04-after.jpg%3Fc%3D16x9%26q%3Dw_800%2Cc_fill)