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River Tweed - United Kingdom |
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River Wye - United Kingdom |
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Scoat Tarn - United Kingdom |
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Slowiński National Park - Poland |
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Solling - Germany |
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Sonian Forest - Belgium |
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Sonnblick Observatory - Austria |
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Sugadaira Research Station, Mountain Science Center - Japan |
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Suserup - Denmark |
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Tatrzanski National Park - Poland |