<p>Someone once said to think of the Grand Canyon as an inverted mountain, a mile deep and up to 15 miles across, except that you can see both sides of the 'mountain'. 
</p><p>Taken below the South Rim on the Kaibab Trail, Grand Canyon, Arizona, USA. The first pitch of this ridge-running trail has quite 
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the view into the abyss. Hiker and two ravens for scale.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/31856336@N03">Mike Beauregard</a> from Canada
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/31856336@N03/3402780675/">Seeing the Other Side of the "Mountain"</a>