Secret Fair Park Decoration Graveyard

While tooling around near Fair Park, I recently stumbled upon what can only be described as a Secret Fair Park Decoration Graveyard.  It is behind the park and completely fenced in but I got what pictures I could:

Clearly, there are several leftovers from the Chinese Lantern Festival (which was, in fact, extended it Feb. 17th) but look closely and you'll see some other interesting stuff:

Notice the dinosaur?  Well, there's more.  A few more dino statues, a Santa Claus, some longhorns...a cornucopia of wackiness:

What's the story here?  Are these beautiful things left to rot?  Just being stored temporarily?  Would it be a big deal if I rented a truck and took some stuff?  Questions abound.