Heart Reef, Great Barrier Reef, QLD © Tourism Australia

Australia's coral reefs

Helicopter flight over Heart Reef, qualia, Great Barrier Reef, QLD © qualia

Helicopter flight over Heart Reef, qualia, Great Barrier Reef, Queensland © qualia

Manta rays, Lady Elliot Island, Southern Great Barrier Reef, QLD © Andrew Watson Photography, Tourism and Events Queensland

Manta rays, Lady Elliot Island, Southern Great Barrier Reef, Queensland © Andrew Watson Photography, Tourism and Events Queensland

Swimming with whalesharks, Ningaloo Marine Park, WA © Tourism Australia

Swimming with whalesharks, Ningaloo Marine Park, Western Australia © Tourism Australia

Montgomery Reef, Kimberley region, WA © Garry Norris Photography

Montgomery Reef, Kimberley region, Western Australia © Garry Norris Photography

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