40. Ever wondered how soldiers managed to stay alive in the deadly, confined world of World War I trenches? Imagine trying to peek out of your trench with a real chance of getting your head blown off. To avoid this grim fate, soldiers used a clever trick: fake heads.
These decoys were propped up to check if it was safe to emerge. If a soldier’s fake head met a sudden, explosive end, it was a clear sign that snipers were on the lookout. This ingenious—and rather macabre—device was a grim but necessary tool in the brutal game of survival in the trenches.