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Keywords from Image Description:
Bunker bei Spaarndam. nl Stelling van Amsterdam bomvrije schuilplaatsen opgericht tussen en bij Spaarndam de Stellung von Amsterdam Scharffreie platze Bauzeit ca bis bei Spaarndam own Janericloebe Voorstelling bij Spaarndam Scherfvrije onderkomens in the Netherlands Fortifications of World War Spaarndam