The Great Barrier Reef -the Largest Living Structure on Earth-is Almost 2000 Kilometers Long!
Being composed of about over 2,900 individual reefs and 900 islands, the Great Barrier Reef is the world’s largest coral reef system. It stretches over 1,400 mi and is located in the Coral Sea off the coast of Queensland, Australia. This huge living structure can be seen from outer space and was included in the world heritage site in 1981. This is a very popular tourist destination and Over $3 billion per year is generated by this region due to the tourist activity.