Daytona 500 yellow flag
DAYTONA BEACH, FL – FEBRUARY 14: Officials wave a yellow caution flag as Kevin Harvick, driver of the #29 Shell/Pennzoil Chevrolet, leads a group of cars late in the NASCAR Sprint Cup Series Daytona 500 at Daytona International Speedway on February 14, 2010 in Daytona Beach, Florida. (Photo by Todd Warshaw/Getty Images for NASCAR)
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