Breathtaking views shows NASA flight over Greenland's glaciers

An expanse of snow and ice on Greenland's southern glaciers is seen up close in this stunning footage shared on Twitter by NASA test pilot Gerrit Everson, who soared above in a P-3 Orion. The timelapse footage is part of the agency’s Operation IceBridge campaign, a mission to survey Earth’s polar ice.
NASA Gerrit Everson