VIDEO: Deep canyon under Greenland ice

A team of scientists has discovered a huge canyon buried deep beneath the mile-thick ice sheet covering Greenland.

Professor Jonathan Bamber, from the University of Bristol, was among the team that used a geological mapping technique to survey the detail and scale of this huge trench in the Earth’s surface.

Aerial pictures courtesy of Nasa.

Article source: http://www.bbc.co.uk/news/science-environment-23887221#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa

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