Australia’s great natural wonder – Great Barrier Reef

The Great Barrier Reef （大堡礁） in Australia is the largest coral reef （珊瑚礁） on Earth and one of the seven wonders of the natural world. A barrier reef is a long, narrow coral formation that lies parallel to the shoreline of a landmass （整塊陸地） and is mostly underwater.  The Great Barrier Reef is in the Coral Sea, off the northeastern coast of Australia. It ...Read More