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nodata
on Feb 20, 2015
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Who Can Save the Grand Canyon?
I read somewhere you can do that today with a helicopter.
PanMan
on Feb 20, 2015
[–]
No, you can't. There is no helicopter that can reach those heights.
nodata
on Feb 20, 2015
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http://www.nationalgeographic.com/adventure/0509/whats_new/h...
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