Exploring Oceans: Great Barrier Reef Exploring Oceans: Great Barrier Reef The largest living structure, the Great Barrier Reef spans more than 1200 miles (2000 km) of islands [...]
Tubbataha Reefs Diving Tubbataha Reefs Diving The Tubbataha reefs, in the center of the Sulu Sea, are one of the richest areas of marine bio-diversity [...]