Trench warfare fortifications made of sandbags and earth are depicted.
Schlüsselwörter
trench,
warfare,
military,
fortification,
sandbag,
earth,
dugout,
bunker,
defensive,
structure,
shelter,
war,
history,
conflict,
battle,
army,
soldier,
front,
line,
excavation,
defense,
system,
construction,
stronghold,
protection,
cover,
underground,
architecture,
historical,
illustration,
drawing,
black,
white,
landscape,
scene
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