Work of Art or Ready for Pick Up?

I was walking through an alley in my neighborhood when I came upon this unusual metal structure. I couldn't tell if it was a abstract expressionist sculpture or something left out for the garbage men. What do you think?

[Kerri]

Awesome shots

[Margo]

Cannot even imagnine what it could be

[Bep]

At first sight I thought of some kind of chairs, but no...