This was another interesting experiment with ink. I used tracing paper (the thin translucent paper architects use for designing.
I added water to it, so it wrinkled. Then I used the backside of my Falcon fountain pen, and I got these random landscape effects. I had to stare a few minutes to see what I could do with it, and suddenly saw the roof of a 50s car under one of the inkspots.
The rest is just finishing what you see in your mind anyway.