Yosemite National Park's avalanche control team has a particularly big job this year, blowing up mountains of snow along Tioga Road to clear the way for summer tourists.
Reporting from Yosemite National Park -- It's nearly summer, and swarms of cars, buses and RVs breeze through Yosemite Valley as if on conveyor belts of asphalt. But up here at 8,400 feet, along the snowbound solitude of Tioga Road, winter is still in control.
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