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Kolffkan: Young Great Tits leave the nest
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Kolffkan: Mill Leiden
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Kolffkan: Fred Kamphues pictured by Pieter Kolff, (twice) Nikon: Leiden 2012
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Kolffkan: Swan on the ice
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Kolffkan: Nina in Wassenaar
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Kolffkan: Nina in the Pauw 1
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Kolffkan: Nina in the Pauw 2
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Kolffkan: Angel flies back home
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Kolffkan: Cold feet
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Kolffkan: Nina on a tree
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Kolffkan: Nina, Burchtplein
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Kolffkan: Nina & Anita in Dedgum
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Kolffkan: Nina in the evening sun in Dedgum
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Kolffkan: Nina asleep
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Kolffkan: Dedgum
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Kolffkan: Greonterp
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Kolffkan: Lekker uit geweest
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Kolffkan: Tussen Stavoren en Hindeloopen
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Kolffkan: Nina on Holiday
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Kolffkan: Friesland 2011
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Kolffkan: Dorus Molen Oudega
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Kolffkan: Op de golfbreker bij Stavoren
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Kolffkan: Bij Stavoren
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Kolffkan: Tjerkwerd
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Kolffkan: Op weg naar Tjerkwerd
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Kolffkan: Dedgum
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Kolffkan: Nina in Schonach
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Kolffkan: Nina after a shower
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Kolffkan: Schonach, overview
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Kolffkan: shop around the corner