Tranformers Advertisement

In downtown LA (corner of Sunset & Vine) there is currently a gigantic Tranformers movie advertisement. I've seen a number of huge wall-of-a-building ads, but this has got to be the biggest ad I've ever seen. It's the entire length of a building (I'm guessing 20 stories, but I'm not sure), all 4 sides. I had to take some pictures (the middle one is stitched together using Autostitch):