Aerial photograph of an unidentified trench system taken during World War One in 1918. The photograph, numbered 7493 and taken by a Signal Corps photographer, shows a bird's-eye view of the elaborate network of trenches. The location of the trench system is not known.

---

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

Keywords: ., 111-sc-7493, 1918, 3-10-1921, 7493, activities, ado, aerial, american, anlaser, bilion, bu, corps, digi, ficheux, historical, identified, milita, military, photograph, photographer, photographs, photography, piliems, prispe, reco, rom, signal, symbol, system, tactics, trench, view, war, warfare, warzone, world