Explosion of colour witnessed at Australia’s Great Barrier Reef

Australia’s Great Barrier Reef is spawning in an explosion of colour (Gabriel Guzman/Calypso Productions via AP)

Australia’s Great Barrier Reef is spawning in an explosion of colour as the World Heritage-listed natural wonder recovers from life-threatening coral bleaching episodes.

Scientists recorded the corals fertilising billions of offspring by casting sperm and eggs into the Pacific Ocean off the Queensland city of Cairns.