…well, almost. Massive chasm found 1.6km beneath Greenland ice sheet…

…well, almost. Massive chasm found 1.6km beneath Greenland ice sheet

A huge mega-canyon, nearly double the length of America’s Grand Canyon, has been discovered beneath a mile of ice in Greenland.…

Read more http://go.theregister.com/feed/www.theregister.co.uk/2013/08/30/greenland_mega_canyon/