The VW Bus, which you can never confuse with the hideous Vanagon. I owned one for a couple of years. It was easy to drive, had great capacity, and loved to rust. God bless you old girl, wherever you are.
What are they? Take a look at the photo, even though the horizon is tilted.
(note: I've got to speak to the photographer. He needs to learn the fundamentals of photography. Mind you...or mind me...since I'm writing this note to me. The subject matter of the photo is excellent.)