Landscapes Geomorphical
Cave-Grot
Germany
Landscapes Geomorphical
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Cave-Grot
D, Rheinland-Pfalz, Gerolstein, Drachenhohle 1, Saxifraga-Willem van Kruijsbergen.jpg
D, Rheinland-Pfalz, Gerolstein, Muhlsteinhohle 1, Saxifraga-Willem van Kruijsbergen.jpg
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