DescriptionDuringtheWarofResistanceAgainstJapan,tunnelwarfarewascarriedoutextensivelyinthevastareasofnorthChinaPlain.Generallyspeaking,villagesconnectedbytunnelslayinaline.Exceptthetwoattheends,everyvillagewasdirectlyconnectedwithtwoneighboringones.Frequentlytheinvaderslaunchedattackonsomeofthevillagesanddestroyedthepartsoftunnelsinthem.TheEighthRouteArmycommandersrequestedthelatest...
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