Along the Croatian Coast near Zadar (badly scanned pic
Somewhere past Banja Luka in Bosnia (badly scanned pic
), when I saw those tunnels (no concrete coating, no lights, no nothing, just a black hole and many of them), I had to think of Roadrunner and Coyote: Those painted tunnel entries on the blank rock.....WHAMM!
kinda odd feeling....
Looking back to the Eastern approach of the Sustenpass in Switzerland