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Keywords from Image Description:
Grofriedrichsburg Geschtzrohr dpi. en representation of historical barrel discovered on the Southeastern bastion of Fort GrossFriedrichsburg in February de Darstellung eines der im Februar an der Sdostbastion von Fort Grofriedrichsburg aufgefundenen historischen Geschtzrohre Stubenrauch Das Kurbrandenburgische Fort GroFriedrichsburg