EntityQ99720· pop 23· linked from 268 articlesU6Sign in to saveBerlin U-Bahn lineConnectionsBerlin RingbahnEntityBerlin U-BahnEntityUnter den Linden metro stationEntityTeltow CanalEntityBerlinEntityWorld War IIConceptWorld War IConceptCold WarEntityGerman Democratic RepublicEntityBerlin WallEntityrapid transitEntityGerman reunificationEntityNew York City SubwayEntitySpreeEntityreinforced concreteEntityWest BerlinEntityEast BerlinEntityDeutsche MarkEntityWerner von SiemensEntityhyperinflationEntityCategoriesBerlin U-Bahn linesCommons link is on Wikidata