Is it my imagination or is the horse missing from the wings on the south side?

The south tower never had a horse, just wings.

Why not call the Arch Why not call & ask?

Did not not notiice

I'm not sure about the question? It's an odd homage to i believe the area native Americans. Don't quote me though because I'm not 100% sure...

No they are there.

I'm not sure what your asking, are you talking about on the outside of the building?