They look like a work of abstract art, but these colorful dots on Bay Area streets have a big purpose.
Reported by Jessica Placzek. Bay Curious is Olivia Allen-Price, Vinnee Tong, Paul Lancour, Suzie Racho, Penny Nelson, Jessica Placzek, Julia McEvoy, Ethan Lindsey and Holly Kernan. Theme music by Pat Mesiti-Miller.
Ask us a question at BayCurious.org. Follow Olivia Allen-Price on Twitter @oallenprice.
