A lake on the surface of the Petermann glacier. A giant piece of ice, measuring 260 square kilometres and thought to be the biggest formation of its kind for 48 years, has broken off from the Petermann Glacier, on the northwest coast of Greenland.
A lake on the surface of the Petermann glacier. A giant piece of ice, measuring 260 square kilometres and thought to be the biggest formation of its kind for 48 years, has broken off from the Petermann Glacier, on the northwest coast of Greenland.