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Keywords from Image Description:
Liesegang Sandstein ReiKi croppedcolored. Liesegangsche Ringe in einem Sandstein etwas digital bearbeitete Version um den Kontrast der Ringe besser heraus zu bringen LiesegangSandsteinReiKi UTC LiesegangSandsteinReiKi Kirchner derivative work Trinitrix talk better contrast Trinitrix LiesegangSandsteinReiKi Uploaded with derivativeFX