This photo taken during World War I shows a Serbian shelter gun. The caption reads: Servian 3-inch gun being moved to a new emplacement.

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Size: 4740px × 3807px
Photo credit: © Ivy Close Images / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 1910s, 20th, century, great, gun, serbia, serbian, servia, servian, shelter, war, world, wwi