military personnel 1st Lt. W. V. Vessels, Maj. A. L. Howe, and Maj. W. La Hallahan inspect an air shaft to a canal tunnel at the Hindenburg Line in Bellcourt, Aisne, France. The photo, taken on October 3, 1918, shows a haze of gas and smoke emanating from the shaft. (Image courtesy of the US National Archives)

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Size: 8386px × 5628px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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