I looked it up before posting to make sure it wasn’t AI.

Thank you for making an effort to avoid posting slop :)

But why not include a link to the source?

It’s one of a series of art installations by an artist in Bucharest.

“The seemingly whimsical project has a darker meaning”

It’s actually in Milan, but in reference to people living in the sewers of Bucharest.

Here is the artist’s website about it.