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 who's been mapping the deeper sections of the Great Barrier Reef.
Dive in a little deeper to check out more of Dr Beaman's fascinating deepsea work here:
Dr Robin Beaman - James Cook UniversityDeep GBR Submarine