What Are Those Grids of Glass in the Sidewalk — And Why Are They Purple?

Listener Britt McEachern is a tour guide in San Francisco, and spends a lot of time walking around city streets. He's noticed grids of glass embedded in the sidewalk and wants to know what they are. Take a journey with reporter Jessica Placzek to learn the purpose and origins of these gems beneath your feet. Additional Reading: What Are Those Grids of Glass in the Sidewalk — And Why Are They Purple? Quiz: Test Your Bay Area Knowledge Reported by Jessica Placzek. Bay Curious is made by Olivia Allen-Price, Jessica Placzek, Katie McMurran and Rob Speight. Additional support from Julie Caine, Paul Lancour, Kyana Moghadam, Suzie Racho, Ethan Lindsey and Patricia Yollin.

Om Podcasten

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.