EntityQ10565770· pop 5· linked from 253 articlesventilation shaftSign in to savevertical passages used in mines and tunnels to move fresh air underground, and to remove stale airConnectionsItalyCountryNetherlandsConceptarchitectureEntityLombardyEntitycaveEntitywater wellEntityrapid transitEntityWayback MachineEntityminingEntitytunnelEntitysunlightEntitycatacombsEntitybunkerEntitybasementEntityquarryEntitytrench warfareEntitydolineEntityatriumEntityVelsenEntityventilationEntityCategoriesMine ventilationTunnelsVentilation