These are the waters around Jeju Island which is the largest island off the Korean Peninsula. It has a dormant volcano in the centre of the island which is the tallest mountain in South Korea. Although it only has a population of 614,550 (2014) It holds the title of the worlds busiest air route from Jeju to Seoul with 10,156,000 passengers flying between the cities in 2012.
These images were taken by Christophe Bailhache from The Ocean Agency and use technology developed by Panedia for the XL Catlin Seaview Survey.
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