Why is the Great Barrier Reef called' Big'?
访客6个月前
The Great Barrier Reef, off northeastern Australia, is the world's largest coral reef system, Composed of more than 3,000 coral reefs and more than 900 islands, with a total area of about 344,400 square kilometres. It was formed 65 million years ago and is rich in marine biodiversity. However, climate change and human activities pose a threat to it, and conservation efforts have become particularly important. The Great Barrier Reef is not only a source of pride for Australia, but an important pa...