Coral reefs are structural sedimentary rocks of lime (calcium carbonate) in the ocean, or called short with reefs. For coral reef biologists is an ecosystem that is formed and dominated by the coral community

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Sightseeing in Indonesia is one of the natural wealth that we should be proud of. Each region in Indonesia has a unique in terms of beauty and customs that exist in the area so as to attract tourists to visit it.

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Many threats to coastal sustainability encourage us to immediately conserve natural conservation



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