Big fort reef is the the biggest, longest cay on the world group, it is one of 7 nature landscape of world, also be Australian person most leave the natural sight that feels proud. Call again " transparent and clear Hai Zhongye gives birth to kingdom " . This world marvellous spectacle is located in Australian north. It is in big fort reef when ebb-tide, partial cay shows surface to form coral island. In reef group with an extremely convenient traffic sea route is between the coast. Calm when, yacht is in pass here, the colorful, polymorphous coral scenery with ceaseless continous of boat the second line of a couplet, become attract tourist of world each district to come the optimal and marine marvellous spectacle that seek novelty views and admire, include world nature formally 1981 bequest directory.
Those who make a person mysterious is, so giant engineer is it is a diameter mere the coelenterate anthozoan of a few millimeter. Anthozoan is it is with plankton feed, social life, and can secrete limy skeleton. Remains stays after old generation anthozoan is dead, new generation continues development multiplies, smoke a branch like tree gemmiparous and same, develop to altitude and both sides. Such year answer a year, accumulate over a long period, limy skeleton adds anthozoan excretive the cementation of marine biology debris such as alga, conch together, become cay system with respect to accumulation. Of cay build exceedingly slow, below best condition, reef body adds thick 3-4 every year merely centimeter. Because this is in,pass a few chiliad even tens of thousands of years accumulate the cay that formed such dimensions.
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