It looks like those cars could just roll right out! You can't see that part on the album!
I have driven in the parking lot (bottom part) of the Marina City towers twice, and both times I was incredibly nervous. Probably unrealistically, but still. It's bizarre-o.
Mine is just around the corner, Mother Hubbards where a friend of mine works!
Here (I'm from Chicago) we call them the Corn Cob buildings :)