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Scheldt Estuary: 51.415482, 3.648148
Congo Estuary: -6.064769, 12.491455
Columbia Estuary: 46.248250, -123.968353
Great Barrier Reef: -18.344098, 146.821289
Florida Reef Tract: 24.779254, -80.870361
Great Bahama Bank: 24.322071, -78.524780
Indonesia: -4.368320, 117.509766
Lake Tanganyika: -5.725311, 29.608154
Torres Strait and the Gulf of Carpentaria: -12.918907, 140.756836
Canadian Arctic Archipelago: 76.865480, -97.887706
Bohai Sea: 38.719805, 119.904785
Lake Titicaca: -16.077486, -68.985901
Arabian/Persian Gulf: 26.180089, 52.316895
Danube: 45.155896, 29.794922