Nicklaus Children's Hospital injury prevention specialist Tara Hills, left, adjusts the chin strap on a new bike helmet for Virginia Walters, 10, of Miramar, during the eighth annual Summer Safety Splash on Saturday, May 14, 2016 at Haulover Beach Park.
Nicklaus Children's Hospital injury prevention specialist Tara Hills, left, adjusts the chin strap on a new bike helmet for Virginia Walters, 10, of Miramar, during the eighth annual Summer Safety Splash on Saturday, May 14, 2016 at Haulover Beach Park. MARSHA HALPER mhalper@miamiherald.com
Nicklaus Children's Hospital injury prevention specialist Tara Hills, left, adjusts the chin strap on a new bike helmet for Virginia Walters, 10, of Miramar, during the eighth annual Summer Safety Splash on Saturday, May 14, 2016 at Haulover Beach Park. MARSHA HALPER mhalper@miamiherald.com

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