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Fourth of July: How do fireworks work?

FOX's CB Cotton got a look into the science behind fireworks ahead of the U.S.'s 250th birthday. Meanwhile, hospitals are prepping for expected firework-related injuries. Nancy Pelosi Slams ...
KRDO

See how fireworks work, and where to watch in Southern Colorado

COLORADO SPRINGS, Colo. (KRDO) -- Pyro technicians in Colorado Springs showed KRDO 13's Bradley Davis how they prepare fireworks ahead of tonight's big shows, like the one at 9:15 p.m. at the Patty ...