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available database: images, maps
Defense installation
Title : Defense installation
Topic : Virtual Shanghai
Location : Shanghai
Date (start) : 1930
Estimated dates : 1930-1939
Nature : B&W Photo
Support image : Paper
Private Repository : IAO
Keywords : settlement;defence;blockhouse;pillbox;wartime;
Keywords (fr) : concession;défense;blockhaus;abri fortifié;guerre;