The first atomic bomb dropped hits Germany – and not Hiroshima, but Ludwigshafen is destroyed. This is how it can be read and seen in the exhibition “Roads not taken” (“Roads that have not been walked on”), which can be seen in the German Historical Museum in Berlin. To tell how it is in German Story could have come is their fascinating concept – and the mushroom cloud over Germany is one of the most breathtaking, the most frightening scenarios.