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Porton Down - United Kingdom |
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Post-mining lakes - Czechia |
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Ramat Hanadiv (RHD) - Israel |
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Ramat Hanadiv LTSER Platform - Israel |
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Ramon (RMN) - Israel |
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Randu meadows - Latvia |
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Ravels Forest - Belgium |
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Reservoir of Riga Hydropower Station on the River Daugava - Latvia |
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Rhine-Main-Observatory - Germany |
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River Salaca - Latvia |