This April 2013 photo shows giant sequoia trees dwarfing a visitor in Merced Grove in Yosemite National Park in California. Sequoias are among the largest, oldest trees on earth. (AP Photo/Kathy ... more 
This April 2013 photo shows giant sequoia trees dwarfing a visitor in Merced Grove in Yosemite National Park in California. Sequoias are among the largest, oldest trees on earth. (AP Photo/Kathy Matheson) less 
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Associated Press | Photo By Kathy Matheson
Wed, Apr 24, 2013 1:11 PM EDT