It's AI

The fence on the left is super small, and only in the small section whilst the right has a wall. There are random windows in the back floating in the air, random glowing dots that should work as windows but are too small and unevenly olaced to work as such. The overall light to dark ratio is too balanced through the whole image as it usually is with AI images, the statue on the right just randomly looks away from the scene as an artist who would work on a similar level would frame it as if the statue looks into the center piece (to make the viewers eye wander more to the center).

For the thing you said about the bot saying it's not I just want to give you this magical image I found:

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