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The world's second-largest known tree, the President, in Sequoia National Park is photographed by National Geographic magazine photographer Michael "Nick" Nichols for the December 2012 issue. The final photograph is a mosaic of 126 images.
More video can be seen in the magazine's digital editions on iPad, iPhone, and Kindle Fire.
To see Nick's photos, go to http://ngm.nationalgeographic.com/2012/12/sequoias/nichols-photography