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As the threat of wildfires has grown in California, so has a network of high-tech cameras in the backcountry that can spot the first outbreak of flames.

What began as a pilot project to protect Lake Tahoe from wildfires is now being used throughout the state and west coast.

As the threat of wildfires has grown in California, so has a network of high-tech cameras in the backcountry that can spot the first outbreak of flames.