Adam,
Revelation of origin of all the bunkers in question will come at a later time. Soon, but not just yet!:)
My thoughts on this bunker is very similar to Bill's, a very mixed bag. "Super Pete"--(About as close as you can get to a golf course superintendent Superhero) hits it right on the head too with the color of the sand, which would make a round of golf with Tony Montana, a two week experience. In fact, when picking out the photo, I was surprized to see some interesting shaping going on that I hadn't seen before in this photo and in person. (I must have been blinded by all of that white sand!)
The shaping looks to be pretty good, but the one thing that confounds me in all of it is that terrain as this, you need very scraggy, unkept, ever-changing outlines. That is the giveaway that these aren't natural, They are totally man-made. The rough surrounding areas had them on the right track, but they lost it with the bunkers themselves.
There is a lot more to add about these bunkers later, because they are an experiment of sorts, that isn't be well received.
Oh Yeah, I forgot to eliminate the divots too, so it gives that portion of the post away!