Füge eine Handlung in deiner Sprache hinzuA train and all its passengers disappear from the Berlin underground system, apparently travelling as a ghost train beneath the city. A young mathematician develops a theory: The train is st... Alles lesenA train and all its passengers disappear from the Berlin underground system, apparently travelling as a ghost train beneath the city. A young mathematician develops a theory: The train is still inside the network, but due to the opening of a new line, this network has become so c... Alles lesenA train and all its passengers disappear from the Berlin underground system, apparently travelling as a ghost train beneath the city. A young mathematician develops a theory: The train is still inside the network, but due to the opening of a new line, this network has become so complex that the train went into the 4th dimension and is travelling on the backside of a M... Alles lesen
