Great Barrier Reef Submarine Canyons and Landslides Part 1

Did you know that around the margins of the Great Barrier Reef are submarine canyons that form some of the largest undersea structures on earth? There's also underwater landslides that stretch over 20km in length. Find out more with Dr Robin Beaman a Marine Geologist from James Cook University who has been mapping the deeper sections of the Great Barrier Reef.