narrow trench dug in the ground and view of the monte cimone ossuary in northern italy

bags barricade cimone communication trench conflict defence defense dig digging ditch dugout entrench oneself entrenched entrenchment excavating first world war foxhole grande guerra great gunny sack hessian bag italy jute military monte prima mondiale protection sacco sacking sandbag sandbags soldiers ossuary northern security shelter soldierly trenches trenching trincea warfare ww1 wwi