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Keywords from Image Description:
Mummelsee . de Der Mummelsee in Stereokarten der Neuen Photographischen Gesellschaft SteglitzBerlin Selbstgefertigter Scan einer Stereokarte aus eigenem Bildarchiv Neue Photographische Gesellschaft SteglitzBerlin PDold Uploaded with Neue Photographische Gesellschaft Berlin Mummelsee Stereo cards of Black Forest