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20 Stunning Rock Formations [PICS]

Click to the slideshow to see the stunning photos of tall mountains and tight canyons, from Utah to Northern Ireland?a journey through space and geologic time. <p><a href="http://feedads.googleadservices.com/~at/Chgvp8cCEcAFNevsjiJmfHwC0MY/a"><img src="http://feedads.googleadservices.com/~at/Chgvp8cCEcAFNevsjiJmfHwC0MY/i" border="0" ismap="true"></img></a></p><img src="http://feedproxy.google.com/~r/digg/popular/~4/mQOODhTzE8s" height="1" width="1"/>