Don't clouds do that?
of course the clouds do. I painted them on the picture. :)
It's a very cool little machine. Of course, I am suspicious of its stated purpose. Clearly it wants me to believe it is a self-propelled water dispenser of some kind. But what does it really do, I wonder?
Suspicious... Fun image, though. And now I wonder what the rest of the self-propelled machines in this landscape are doing.