Crews Work to Save Yosemite Sequoias from Rim Fire

Aired: 8/30/2013 | 0:06:52 | Clip
Sequoias are among Earth's oldest and most massive trees. But a wildfire raging near California's Yosemite National Park has put some of their unique groves at risk. Kwame Holman reports on the effort by nearly 4,000 firefighters to contain the blaze and protect these environmental treasures.

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