"Includes a sketch of the German defensive organization known as HUMBER 135. This photograph was taken by a photographer in 1918 during World War One. The sketch shows the tactical symbols and layout of the German defensive positions. The purpose of the sketch was to provide detailed information about the German defensive structure."

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Size: 9177px × 6301px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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