Often, the story about getting the photograph is just as interesting as the image itself.
In this photo, Jim Spickler and Giacomo Renzullo assist photographer Michael Nichols as he dangles above the forest floor to capture photographs of these incredible giant trees in Redwood National Park.
SLIDESHOW: Exclusive Look at California's Secret Titan Redwood Trees
Image credit: Michael Nichols
All images are part of the Extreme Exposure exhibit, October 23, 2010 — April 17, 2011, at the Annenberg Space for Photography in Los Angeles