Great Barrier Reef is the most beautiful coral reef of the world. It is covered by thousands of corals under the surface of sea water. It is the most popular of tourists. The water is so limpid which make easier for tourists to see fish and corals clearly. It is also the economics region for Australian, because it can generate millions dollar for this country every year. Moreover, Great Barrier round up by hundreds of islands which make that region become the best for breathtaking and romantics places in Australia.