Watch this amazing footage of a massive 4.6-cubic-mile glacier in Greenland crumbling to pieces. It's the largest glacier break-up ever caught on camera and part of a segment that will be featured in a documentary called Chasing Ice. The film is dedicated to chronicling the irreversible impact of climate change on glaciers around the world.

Filmmaker James Balog said watching the roaring landscape shift is like watching "Manhattan breaking apart in front of your eyes." 

I've never seen anything like it. 

 

 

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