Jae C. Hong / AP
Inmate firefighters walk along state Highway 120 as firefighters continue to battle the Rim Fire near Yosemite National Park, Calif., on Aug. 25. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park.
The Rim Fire stretches 234 square miles and threatens some 4,500 structures as well as the power and water utilities in San Francisco, roughly 200 miles to the west. Read complete story.