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Keywords from Image Description:
Batterie Olmen Regelbau Fl oder Fl . en Atlantic Wall IJmuiden Fl Olmen Antiaircraft Battery Olmen Widerstandsnest antiaircraft bunker type Fl or Fl Standort de Atlantikwall IJmuiden Fl Olmen Marineflugabwehrbatterie Olmen Widerstandsnest schwere Flakstellung Regelbau Fl oder Fl Standort own Janericloebe Batterie Olmen