Bridges and Walls: LA River, part 1

Eighty years ago this week, rain poured down on Los Angeles. Floods washed out roads, bridges and thousands of homes. The devastation led to total channelization that would forever shape -- and divide -- Los Angeles. Now efforts are underway to build new bridges, bring back wildlife and forge new connections at the LA River. But with those efforts come anxiety about change.

Host Frances Anderton looks at design and architecture from a Los Angeles perspective.