What's Hidden Under the Ice of Greenland?
Mysterious structures hidden beneath the Greenland ice sheet.
Nearly 2 miles thick in places, the ice sheet hides a landscape of canyons, mountains, fjords and gem-like lakes.
Mysterious structures hidden beneath the Greenland ice sheet.
Nearly 2 miles thick in places, the ice sheet hides a landscape of canyons, mountains, fjords and gem-like lakes.