This is still a nearly-mundane image. But let’s flip it upside down:
The light source from the bottom of the corridor suggests that we are perhaps in a maintenance duct, attached to a ceiling high above the floor.
However, the most compelling version is found by flipping the same image on its side:
Now the image of a space-station is conjured. We are walking along a ring-like passage, mysterious light coming from our left.
Now, we break the illusion by showing the sad reality of the outside of the complex:
posted to: Found Megastructure Artwork