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Black Sea - Bulgaria |
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Sozopol - Black Sea - Bulgaria |
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Petrohan-Ponor - Bulgaria |
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Mesta River - Bulgaria |
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Plynlimon - United Kingdom |
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Belasitsa - Bulgaria |
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Trout Beck - United Kingdom |
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Esthwaite Water - United Kingdom |
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Windermere - United Kingdom |
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Sourhope - United Kingdom |
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River Bush - United Kingdom |
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Loch Leven - United Kingdom |
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Whim Bog - United Kingdom |
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Livingstone Island - Antarctica |
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