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Koppensteiner Photography: DSC_9281
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Koppensteiner Photography: 9.14_Nutzung_der_S-Krümmung_DSC_9304-2
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Koppensteiner Photography: Am Langbathsee
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Koppensteiner Photography: Virginia
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Koppensteiner Photography: DSC_9436
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Koppensteiner Photography: Panorama_infrarot