Man, there are so many ways they could have made (what I assume) the intention of this poster clearer.
If you're gonna mirror-image the park and Flatiron-highlighted skyline, the least you could do would be indicate a reflective horizon (and you have a / right there in the title, use that slash creatively, art director!)
Now, however, I am left with the overwhelming image of SLIDING DOORS the Musical.
Words don't deserve that kind of malarkey. They're innocent, neutral, precise, standing for this, describing that, meaning the other, so if you look after them you can build bridges across incomprehension and chaos. But when they get their corners knocked off, they're no good anymore…I don't think writers are sacred, but words are. They deserve respect. If you get the right ones in the right order, you can nudge the world a little.