Hosted on MSN2h
10 Incredible Facts About the Great Barrier Reef
The Largest Living Structure on Earth Imagine something so vast that it's visible even from space—this is the Great Barrier ...
PBS8y
Coral Reef Connections
Stretching over 1,200 miles, Australia's Great Barrier Reef is the largest structure on Earth built by living organisms. Even for its size, it houses an incredible biodiversity -- literally ...