Sunken coral islands…floating rainforests…giant undersea volcanoes…spires of rock resembling sunken cities. None of these rare places can be added to the list of World Heritage sites because they are in the high seas, outside any national jurisdiction. 

Dybas, C.L. 2016. Ripple marks—The story behind the story. Oceanography 29(4):16–18, https://doi.org/10.5670/oceanog.2016.92.

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