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. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

Why Do Giants Fans Hate the Wave? Oakland Started It.

Bay Curious is a show about your questions – and the adventures you find when you go looking for the answers. Join host Olivia Allen-Price to explore all aspects of the San Francisco Bay Area – from the debate over "Frisco", to the dinosaurs that once roamed California, to the causes of homelessness. Whether you lived here your whole life, or just arrived, Bay Curious will deepen your understanding of this place you call home.