Aerial view of an unidentified trench system in France during World War One. The photograph was taken by an unknown photographer from the Signal Corps. It is part of a collection received on March 10, 1921 and corresponds to 1918 military activities.

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Size: 9183px × 6305px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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