For Larry, and maybe some others, who are kind enough to pay attention to "the little hints of an alternative universe" and, more broadly speaking, the details in my pictures, the line on the propaganda poster (lower left corner of the picture) "A Richer, Better Life Awaits You Here" is a real advertisement slogan from the 20's. As for the poster ...
... I've made it as a tribute to the 1929 German Expressionist film Manraketen (Moon Rocket) by Fritz Lang, a breakthrough movie about a journey to the moon and crew conflicts on the way there. The film contains a classic scene with a countdown before the start. This is claimed to be the direct source of our modern space countdowns. German science was the most advanced in the world. As in Art, Germany was at the forefront, pushing the limits, experimenting with bold new ideas, like rocket science ! American rocket science came from the German scientists, who fled nazi Germany. Here is the original poster :