Great Blue Wild, Indonesia - The Secret Life Of Manta Ray

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A tiny ocean community, Cabo Pulmo is a remarkable story of recovery. After reckless over-fishing, this beautiful coral reef has now been restored once again.

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Palau is a tiny country with a big story. In 2009, this island nation in the Pacific Ocean created the world's first shark sanctuary, to protect over 100 species.

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In Palau, the local economy relies heavily on eco-tourism. But the country is fighting a hard battle against man-made environmental destruction.

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The vibrant reef ecosystem of Raja Ampat is twice the size of Singapore. See how the mysterious manta ray lives in these waters.

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The Indonesian archipelago lies in the heart of the Coral Triangle, an area recognised worldwide as the centre of marine biodiversity.

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Step into the waters surrounding Indonesia's sprawling archipelago, home to the world's richest reefs and its highest marine biodiversity.

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The world-famous Maldives face an uncertain future, as rising sea levels threaten to wipe out this tiny island nation. What can be done?

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The Pacific coast of Costa Ricahosts nearly 5,000 species of marine life. But in this undersea jungle, the apex predator sharks are at risk.