Updated: Mar 21, 2021
Natural World Wonder: Australia's Great Barrier Reef is best seen from above
Australia’s largest World Heritage site, the 2,300-kilometre Queensland Great Barrier Reef is one of the 7 Natural Wonders of the World.
We take to the skies to explore the giant coral reef system - and reveal some surprising facts about this jaw-dropping icon - while we're at it.
Watch the video below: