Laura Trethewey: Mapping our unknown oceans

Donate to Personal Landscapes.This might just be the strangest landscape I’ve featured on the podcast. It’s also the one we know least about.Laura Trethewey joins me to discuss bizarre underwater landscapes, the difficulties of sonar mapping, and the amazing race to map the world's oceans. This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit www.personallandscapespodcast.com/subscribe