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A firefighter stops his vehicle as a massive wall of fire from the Rim Fire consumes trees along highway 120 on August 24, 2013 near Groveland, California.
A firefighter stops his vehicle as a massive wall of fire from the Rim Fire consumes trees along highway 120 on August 24, 2013 near Groveland, California.

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    Firefighters battle Yosemite wildfire

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Firefighters battle Yosemite wildfire

Firefighters battle flames through rugged and dry terrain near Yosemite National Park. CNN's Nick Valencia reports.

Firefighters battle Yosemite wildfire

Firefighters battle flames through rugged and dry terrain near Yosemite National Park. CNN's Nick Valencia reports.